Adrian Sierra

Chicago IL, Miami FL

Adrian Sierra is the Chief Executive Officer with Sierra Forensic Group (SFG). His professional experience has provided him with a wide array of knowledge in the areas of accounting, forensic accounting, forensic technology, litigation support, and taxation. Adrian has testified as an accounting expert witness and has prepared expert reports. Adrian has conducted multiple engagements within the United States, Canada, Latin America, Europe, and Asia. His experience includes but is not limited to 10A and SEC investigations, asset misappropriations, kickbacks, vendor frauds, and anti-bribery and corruption investigations, Foreign Corrupt Practices Act (FCPA) matters involving due diligence, investigations, and compliance. He works with public and private multinational clients, including Fortune 100 and 500 companies.

He frequently speaks on topics including anti-corruption investigations, comparative accounting, compliance, fraud awareness, artificial intelligence technology and interviewing techniques to a variety of audiences such as to the Office of the City Treasurer - City of Chicago, the Association of Certified Fraud Examiners (ACFE), the Institute of Internal Auditors (IIA), the Wisconsin Institute of Certified Public Accountants (WICPA), the Practicing Law Institute (PLI), the Hispanic National Bar Association (HNBA), the Society of Corporate Compliance and Ethics (SCCE), the DePaul University’s graduate level Fraud Investigations course, the University of Illinois at Urbana-Champaign’s (UIUC) Forensic Accounting course and Accounting Controls Systems course, and the Florida International University (FIU) Masters of Accounting Program.

Adrian is a co-founder and co-chair of the Hispanic National Bar Association's (HNBA) Compliance and Ethics Section, an author of the 2019 edition of The Complete Compliance and Ethics Manual from the Society of Corporate Compliance and Ethic (SCCE), contributed to A Guide to Forensic Accounting Investigation, by John Wiley & Sons, Inc. and The Global Economic Crime Survey 2007: South and Central America Supplement by

PricewaterhouseCoopers LLP.

Prior to developing SFG, Adrian worked in the Investigations and Forensic Services practice for PricewaterhouseCoopers LLP (PwC). He received a Bachelor of Science in Accountancy degree from the University of Illinois at Urbana-Champaign. He also completed an Executive Educational course held at Stanford Graduate School of Business (GSB). Adrian is a Certified Public Accountant (CPA) licensed in Illinois, a Certified Fraud Examiner (CFE), is certified in Financial Forensics (CFF), a Chartered Global Management Accountant (CGMA), a native Spanish and English speaker and has elementary proficiency in Portuguese.


· Stanford University, Graduate School of Business  – Stanford Latino Entrepreneurship Initiative Education, 2017

· University of Illinois at Urbana-Champaign – Bachelor of Science in Accountancy, 2003


· Certified Public Accountant (CPA)

· Certified Fraud Examiner (CFE)

· Certified in Financial Forensics (CFF)

· Chartered Global Management Accountant (CGMA) 

Professional Affiliations

· American Institute of Certified Public Accountants, 2003 

· Association of Certified Fraud Examiners, 2004

· Institute of Internal Auditors, 2017

Presentations and Publications

· “Artificial Intelligence: Driving Business Success for Legal Professionals”, Hispanic National Bar Association, September 2017

· “So You Have Fraud: Now What?”, Institute of Internal Auditors Chicago Chapter, May 2017

· “Strategic Interviewing for Fraud” and “So You Have Fraud: Now What?”, The Ohio Society of CPAs, September, October and November 2016

· “Forensic Accounting”, Institute of Internal Auditors Manager’s Roundtable, December 2014

· “Strategic Interviewing”, Institute of Internal Auditors All-Star Conference, October 2011

· “Comparative Accounting”, Practising Law Institute, July 2011

· “Conducting Strategic Interviews”, Institute of Internal Auditors Annual Seminar, April 2011

· “The Second Line of Defense Against Fraud”, Institute of Internal Auditors Chicago Roundtable, September 2010

· "Accounting 304, Accounting Controls Systems", Guest Instructor at the University of Illinois at Urbana-Champaign, Spring 2009

· "Accounting 593, Fraud Examination", Guest Instructor at the University of Illinois at Urbana-Champaign, Spring 2009

· "AIS 765, Fraud Examination", Guest Instructor at the University of Madison - Madison, Wisconsin, April 2008-2009

· "Conducting FCPA and Due Diligence Investigations", PwC Financial Advisory Services (FAS) forensic training, Lima, Peru, November 2008

· "Forensic Accounting: Uncovering Financial Fraud and Fraud Risk Management", Association of Latino Professionals in Finance and Accounting National Conference, Phoenix, Arizona, July 2008

· "The Dark Side of Forensic Accounting", Association of Latino Professionals in Finance and Accounting National Conference, Fort Worth, Texas July 2007

· "Introduction to Data Mining", PwC Financial Advisory Services (FAS) University, Orlando, Florida, July 2007

· "Introduction to Fraud", PwC Financial Advisory Services (FAS) training, Orlando, Florida, July 2006

· Contributed to A Guide to Forensic Accounting Investigation, John Wiley & Sons, Inc., May 2006

· "Accounting 798, Detecting and Investigating Financial Fraud", Guest Instructor at the DePaul University Chicago, Spring 2005-2008

Contact Adrian Sierra


Michael Dyer

Chicago IL

Michael Dyer is a Managing Director with Sierra Forensic Group (SFG). His professional experience has provided him with a wide array of knowledge in the areas of accounting, forensic accounting, various types of investigations and litigation support. Michael has extensive experience testifying in Federal and State Court in both criminal and civil matters. 

Michael has conducted multiple engagements within the United States, Canada, Latin America, Europe, and Asia. His experience includes but is not limited to 10A and SEC investigations, health care fraud, embezzlement schemes, kickbacks, vendor fraud, anti-bribery and corruption investigations, and Foreign Corrupt Practices Act (FCPA) matters involving due diligence, investigations, and compliance.

Michael teaches a graduate course in forensic accounting for the MBA Program at DePaul University, Chicago (2004-Present). He also frequently speaks on topics including anti-corruption investigations, compliance, fraud, and interviewing techniques to a variety of audiences such as to the Association of Certified Fraud Examiners (ACFE), the FBI Academy, and the Institute of Internal Auditors (IIA).

Prior to SFG, Michael worked in the Investigations and Forensic Services practice for PricewaterhouseCoopers LLP (PwC) for 10 years. He had also served as the Regional Inspector General of the U.S. Department of Health & Human Services for 12 years. Michael was an FBI agent for 17 years where he held positions such as the White Collar Crime Coordinator for the FBIʼs Chicago Office and the Organized Crime Coordinator for the FBIʼs Chicago Office where Michael took special interest in the infiltration of legitimate businesses by organized crime. Michael holds a Bachelors of Science in Accounting from Southern Illinois University and is a Certified Fraud Examiner (CFE).

Contact Michael Dyer


Kerry Haberkorn

Chicago, IL

Kerry Haberkorn is a Director with Sierra Forensic Group (SFG). She has devoted her professional career to the field of forensic accounting, which includes over 18 years of experience. She has provided forensic accounting and consulting services to executive level management, boards of directors and legal counsel. Kerry has served as a financial expert witness in litigation.

Kerry has assisted many clients with internal investigations involving fraud, corruption, embezzlement, misappropriation of assets, larceny, as well as disbursement and kickback schemes. She also has helped in matters involving FCPA violations and due diligence and has assisted clients with operations in over 60 countries.


Kerry’s experience includes many construction advisory consulting projects for clients with significant capital project portfolios as large as $3 billion. Some of these engagements involved construction project financial oversight, monitoring and reporting, as well as compliance and financial audits. Kerry has assisted clients with analyses needed to identify root causes of construction project issues that caused budget overruns, schedule delays, scope creep and/or a delayed return on investment. Kerry also supported clients with analyses needed to measure damages associated with disputes and/or litigation and prepared expert witness reports. 

Kerry led numerous insurance claim projects where she built financial models used to measure property damage and business income losses following catastrophic events such as fires, floods, tornadoes, theft or even widespread disasters, such as Hurricane Katrina. Kerry assisted clients in documenting property damage and business interruption losses, presenting losses to insurers and advising her clients throughout the insurance claim process. In the event of litigation, Kerry performed analyses and prepared expert witness reports. 

Kerry’s experience spans across a variety of industries including automotive, construction, energy, gaming, government, health care, insurance, legal, manufacturing, mining, retail and consumer products, and transportation. Prior to working at SFG, Kerry worked in the Forensics Services practice of PricewaterhouseCoopers. Kerry studied abroad in Vienna Austria during her undergraduate studies and speaks and writes German at an intermediate level.


· University of Illinois at Urbana-Champaign – Bachelors of Accountancy, May 1998

· Wirtshaftsuniversität Wien (Vienna University of Economics and Business), Spring 1997

· National Institute for Trial Advocacy (NITA), Mock Trial and Expert Witness Training, 2007

Professional Certifications

· Certified Public Accountant

· Certified Fraud Examiner

· Certified in Financial Forensics 

Professional Affiliations

· American Institute of Certified Public Accountants, 1999 to Present

· Association of Certified Fraud Examiners, 2015 to Present

· Illinois CPA Society, 1999 to 2010

· Women Insurance Networking Group, Joint Organization with Lord Bissell & Brook, PricewaterhouseCoopers and CNA Insurance, 2006 to 2010

Presentations and Publications

· “Forensic Accounting Key Terms, Definitions and Examples”, Cleveland Metropolitan Bar Association, November 14, 2017

· “How AI is Changing the Accounting Industry”, Confidential Client, November 14, 2017

· “Forensic Accounting”, Institute of Internal Audit Manager’s Roundtable, December 2014

· “Business Interruption Claims”, Bermuda Brokers Under 35, May 2006

· “Insurance Claims”, Course Instructor at Advisory University, August 2006

· “Construction Project Issues: An Owner’s Perspective”, Illinois Real Estate Journal, 2008

Employment History

· Sierra Forensic Group, November 2013 to Present

· McDermott, Will & Emery LLP, October 2010 to June 2012

· PricewaterhouseCoopers LLP, February 2006 to October 2010

· RSM McGladrey (f/k/a American Express Tax & Business Services Inc.), November 2001 to January 2006

· PricewaterhouseCoopers LLP, August 2000 to November 2001

· Matson Driscoll & Damico LLP, August 1998 to August 2000

Contact Kerry Haberkorn


George P. Farragher

Cleveland/Akron, Ohio Area

George P. Farragher CPA, CFE, CFF, is the founder of The Farragher Group, LLC, and a member of Sierra Financial Group's global network. He has over 35 years of experience in Forensic Financial Investigations, Regulatory and Contract Compliance and Risk Assessments.  After his retirement from one of the big four international consulting firms where he was part of the Fraud Investigations Practice, he started his boutique consulting firm, His experience and clients encompass various industries, including, construction, manufacturing, banking, and financial services, professional services, government organizations, mining, energy, etc. 


Mr. Farragher has completed a variety of engagements, which includes current and recent engagements, including:

· Assisting the State of Ohio, Department of Commerce, Securities Enforcement Division, under a multi-year master service agreement. Under the agreement, he was tasked with working with the Attorney Investigators to gather the facts required to present to a prosecutor to pursue criminal action.

· Engaged to conduct Bribery and Corruption Risk Assessments, and Forensic Due Diligence on a Fortune 500 Corporation’s major acquisition. The engagements encompassed multiple countries and primarily conducted on site, in Brazil, Mexico, Italy, and China.

Other notable engagements include:

· Mr. Farragher Served as a member of the Management Team tasked with the planning phase of the investigation of the Swiss banks for potential dormant account funds belonging to victims of the Jewish Holocaust. 

· He was retained as a Subject Matter Expert and consultant on a highly confidential matter, for the U.S. Department of Justice and the Federal Bureau of Investigation, working with representatives of the Federal Deposit Insurance Corporation and the Internal Revenue Service.

 -Mr. Farragher was also engaged as a member of the management team, by an international economic development bank/organization to assist in the implementation of a global anti-corruption initiative and to conduct various corruption investigations. 

Mr. Farragher was honored to be named a Regent Emeritus of the Association of Fraud Examiners and has served as a member of the American Management Association’s Pan-Asian Council. He has published various articles on the subject of forensic accounting, fraud, and financial investigations. He has lectured on fraud awareness, regulatory compliance, and investigation programs to corporate, university, accounting, and legal organizations globally.


Select Areas of Specialization


Domestic and International Investigations

- Internal and Third Party

- Response to Whistle Blowers

- Fraudulent Financial Reporting

- Bribery and Corruption (FCPA, etc.)

Compliance Assessments and Risk Analysis

- Fraud and FCPA Risk Assessments

- Independent Monitorship’s

M&A Forensic Due Diligence

Supply Chain Consulting and Process Improvements

- Operational and Product Flow Assessments

- Vendor – Supplier Pre-Qualification Analysis

Training and Advisory Services

- Fraud Response Planning 

- Fraud Awareness Training

Contact George P. Farragher


Dennis Medica

Cleveland, OH

Dennis S. Medica is a Managing Director of Medica CPA and a member of Sierra Financial Group's (SFG) global network and has over 20 years of experience in providing consulting and forensic accounting services to senior executives, board of directors and legal counsel.

Dennis has extensive experience in financial analysis of complex commercial disputes involving intellectual property, business interruption, professional negligence, business valuation, acquisition and divestiture, employment and various other breach of contract matters. Dennis has served as financial expert for Coca-Cola Enterprises, Inc. and many other well-known companies. He also has experience in forensic accounting investigations including SEC and other matters addressing issues of fraud and corruption. In addition, Dennis has assisted clients with business valuations, turnarounds, complex tax structures and compliance, and financial statement and compliance audits.

Dennis is an adjunct professor in the accounting department of Cleveland State University where he teaches fraud examination (2013-current). He also frequently speaks on fraud investigations, damage quantification and use of financial experts. In addition, Dennis has been interviewed on talk radio in Cleveland on a major fraud investigation performed by the FBI and IRS. He also has been quoted in Crain’s Cleveland Business. Dennis has authored articles on the effective use of financial experts and impact of IFRS on providing legal services.

Prior to establishing Medica, LLC and partnering with Sierra Financial Group, Dennis worked in the Investigations and Forensic Services practice of PricewaterhouseCoopers, LLP for 10 years. His earlier experience also includes working for Cleveland-based accounting firms in audit and tax roles and serving as interim Controller for a manufacturing company. Dennis received his Master in Business Administration from Cleveland State University and Bachelor of Science in Business Administration from John Carroll University. He is a Certified Public Accountant (CPA) in Ohio, Certified Fraud Examiner (CFE), Certified in Financial Forensics (CFF), Certified Valuation Analyst (CVA) and Charted Global Management Accountant (CGMA). Dennis also speaks Italian, Slovenian and Croatian.

Contact Dennis Medica


Samantha Rubio

Buenos Aires, Argentina

Samanta Rubio is the Director SSR Consulting (SSR) and a member of Sierra Financial Group's global network. Her professional experience has provided her with a wide array of knowledge in the areas of accounting, forensic accounting, and financial. 

Ms. Rubio specializes in fraud investigations/ forensic accounting engagements, specifically in Argentina, for a diverse group of both public and private clients. Ms. Rubio is an integral part in the development of business in Argentina. Ms. Rubio has been heavily involved in marketing and training in Argentina, as well as in the development of preferred provider agreements with key clients.

Ms. Rubio’s case experience has emphasized applying accounting, financial, and general business expertise in forensic accounting and investigative work such as vendor and employee frauds, embezzlements, kickback schemes, financial statement frauds, stock loan frauds, financial analysis, and evaluation of proper accounting treatment. She has worked with various legal teams to conduct international investigations, which encompassed various countries and included alleged Foreign Corrupt Practices Act violations, including due diligence and compliance engagements.

Ms. Rubio’s experience also includes SEC investigations and has led extensive electronic evidence reviews, including the imaging of individual’s hard drives and review of emails and files. 

Prior to joining the Dispute Analysis & Investigations Services practice, Ms. Rubio worked for four years in Ernst & Young’ audit practice. She has over four years of work experience in The Federal Administration of Public Revenue, a government agency, as Inspector on external inspections of taxes.


Ms. Rubio graduated cum laude with majors in accounting from the University of Buenos Aires where she was selected as one of its Distinguished Alumni. She is a Certified Public Accountant, Certified Fraud Examiner, and a member of the Association of Certified Fraud Examiners. Ms. Rubio has MBA (Master Business Administration) in IAE. 

 Contact Samantha Rubio


James E. Bucrek

Detroit, MI

Jim is the President of James E. Bucrek LLC, and a member of Sierra Financial Group's (SFG) global network. He has over 40 years of private sector and consulting experience in government contracting with a diversified background in estimating, pricing, cost accounting, billing, contracting and compliance.

In his current role Jim is focusing on assisting law firms and industry clients with federal government bid protests, and litigation consulting and expert witness testimony related to federal and commercial cost claims.  He also has extensive practical experience in assisting industry clients with Foreign Corrupt Practices Act (FCPA) compliance.

Jim has credible and successful experience as an expert witness for cost matters as he has testified at the International Chamber of Commerce (ICC) International Court of Arbitration in Paris, France regarding a $30 million cost claim. He recently testified in an arbitration hearing in a prime/subcontractor dispute involving a multiyear federal government contract. He has also testified before the Armed Services Board of Contract Appeals (ASBCA) in an ADR session relating to a $3.5 million contract cost claim and a Mini-Trial involving defective pricing litigation. Jim has authored a number of affirmative and rebuttal expert reports in a litigation consultant role. While employed as a consultant, he provided the expert government contracts support to the fraud investigation teams assisting two major advertising agencies in addressing criminal and civil false claims brought by the U.S. Government.

Jim spent the first 22 years of his career working in the aerospace and defense and environmental services industries. After holding progressively responsible contract and program management positions at 4 aerospace companies, he served as the Corporate Vice President of Government Administration for a $500 million environmental services firm. His responsibilities included executive oversight and management of all estimating, accounting, billing, contract administration, and regulatory compliance activities for the company’s $2 billion dollar U.S. Government business backlog.

Jim founded the Midwest Region Government Contracts Practice of PricewaterhouseCoopers LLP (PwC) in November 1996 and retired from PwC in June 2014, most recently serving as a Forensic Services Partner based in the Chicago office.  He holds a Bachelor of Science in Business Administration from Aquinas College and a Masters of Business Administration in Marketing Management from Western Michigan University. He is an Associate Member of the American Bar Association.

Contact James E. Bucrek


Rosa E. Soto

Chicago, IL

Rosa E. Soto is an Experienced Associate with Sierra Forensic Group (SFG). Rosa has devoted her professional career to the field of accounting, which includes over 6 years of experience. As an Experienced Associate with SFG, Rosa has been involved in various global forensic accounting engagements. Most recently she has applied her knowledge and expertise on matters involving fraud investigations, asset misappropriations, licensing compliance, kickbacks, vendor frauds, anti-bribery and corruption investigations. Rosa has conducted complex interviews, e-discovery reviews, and performed large scale data analysis. Her experience with SFG also includes FCPA assessments, due diligence, and compliance projects for clients having significant global operations. Specifically, she has managed data collection, analyzed contracts, invoices, and other documents for an FCPA assessment project of a multinational organization with operations in over 90 countries.

In addition, Rosa participated in the annual financial audit for a government agency. The audit procedures she performed included collecting and analyzing data, creating excel formulas for testing and the populating audit report deliverable for the client to receive funding from a federal grant. Rosa has also assisted a global insurance broker with property damage and business interruption claim analyses related to natural disasters including widespread hurricanes, tropical storms and earthquakes.

Prior to SFG, Rosa acquired two years of experience in the financial services sector, previously working for the largest U.S. bank, JPMorgan Chase. During her time at JPMorgan Chase, Rosa performed daily transactions on behalf of customers and handled anywhere from $25,000 to $100,000 worth of currency. Rosa was trained to detect common types of checking and savings account fraud and implemented techniques for prevention, applied recommended guidelines and acted upon suspicion of fraud. She also recognized cash-related schemes aimed specifically at tellers and bank customers and methods for prevention, applied knowledge of compliance laws related to fraud and implemented methods to recognize and prevent identity theft.

Rosa writes and speaks Spanish fluently and has expertise translating documents to English. Rosa also has experience serving as an interpreter, previously assisting attorneys in court by translating testimony for Spanish only speakers. She assists in developing internal and external forensic accounting collateral as well as prepares continuing professional education (CPE) presentations for various organizations and clients.

Rosa is a graduate of Northwestern College, where she earned an Associate Degree in Executive Accounting. She is currently pursuing her Bachelor’s degree in Accountancy at DePaul University in Chicago and subsequently plans to pursue a Certification in Public Accounting (CPA).


· Northwestern College – Associate’s Degree in Executive Accounting, Graduation year

· DePaul University in Chicago – Bachelor’s degree in Accountancy


Contact Rosa Soto


Joe Salzano

New York, NY

Joseph has over 20 years of professional experience in both private and public industry. His experience includes assisting companies and their outside counsel with auditing, accounting, finance and internal controls related issues in connection with regulatory proceedings, litigation, arbitration, fraud, investigations, foreign corrupt practices, post and pre-acquisition due diligence / disputes, valuation, and contract compliance audits. 

For example, in a recent matter, Joseph assisted in the white collar defense for senior executives in a high profile criminal investigation.  Responsibilities included conducting a thorough forensic financial analysis of business records, providing accounting expertise on accounting principles, and compiling findings to assist in client’s defense.

Joseph applied his skills in a litigation matter assisting outside legal counsel defend a breach of contract claim involving compliance with a $100 million spend clause relating to a joint venture between the two parties.  He reviewed the companies' books and records, analyzed complex accounting and contract issues, assisted in preparation of interrogatories regarding financial information, identified relevant financial documents in the discovery phase of litigation, assisted in depositions, and evaluated opposing expert reports and testimony.

Joseph has served clients in diverse industries including asset management, apparel, automotive, banking, broker dealers, cable, commodities, contractors, dairy, distributors, engineering, healthcare, industrial products, law firms, manufacturing, merchant banking, mining, mutual funds, private equity, real estate, retail, technology, telecom and time share.

Joseph was formerly a Director for 10 years in the Forensic Services practice at a “Big 4” public accounting firm.    Prior to that, he developed deep experience serving SEC registrants and private companies including managing financial and regulatory reporting, and preparing financial statements in accordance with GAAP.

Joseph holds a Masters of Business Administration in Finance from the Leonard N. Stern School of Business at New York University and a Bachelor of Arts in Accounting from Hofstra University.  He is a Certified Public Accountant (CPA), Certified in Financial Forensics (CFF), Certified Fraud Examiner (CFE), Chartered Global Management Consultant (CGMA) and Chartered Financial Analyst Charterholder (CFA).  Joseph is a member of the American Institute of Certified Public Accountants (AICPA), Association of Certified Fraud Examiners (ACFE), New York State Society of Security Analysts (NYSSA), National Association of Certified Valuators and Analysts (NACVA).

Contact Joe Salzano


Misael Jaimes

Chicago, IL

Misael is currently a junior at the University of Illinois at Chicago and has earned his bachelor's degree in Criminal Law and Justice. Misael is now pursuing his bachelor's degree in Accounting and minor in Mathematics. 

Misael is a Tax and Accounting Jr. Associate at Sierra Forensic Group and assists clients with matters involving financial fraud, investigations, and analysis as well as litigation support and dispute consulting. Misael assists with income tax return preparations, forensic accounting investigations, communicating with clients, performing internal projects, administrative tasks, and various other projects. 


Contact Misael Jaimes


Victor Garza

Monterrey, Mexico


Fernando Cevallos

Mexico City, Mexico

Fernando is one of the opinion leaders in Latin America and emerging markets specialized in compliance, risk management, forensic investigation and ISO 37001 – Antibribery Management System (international certification). He is an international professor and speaker, founder of grad-programs, delivering a personalized client service, building long-term relationships based on trust, technical knowledge, coaching and mentoring.


Fernando has two decades of international experience which the last 15 years he has resided and led complex cross-border projects from 6 countries, Ecuador, the United States, Switzerland, Brazil, Argentina and Mexico where he resides currently. Fernando’s career started as a trainee up-to partnership in Big 4s spending thousands of hours in projects from various industries. He also worked in the largest global glass packaging manufacturer, where he learned more about processes and procedures and the client’s perspectives, issues and language.

His main clients and projects are in Latin America, the United States, Canada, Europe, Asia and the Middle East. Inclusively, he has dealt and led projects with several domestic and international law firms, including the U.S. regulators in fraud and corruption investigation cases and the review and assessment of compliance remediation programs in Latin America. In Mexico and Latin America, he is assisting organizations implementing their integrity policies, ISO 37001, required by the current legal framework.

Between 2014 and 2016, Fernando held the role of global coordinator of the communication tasks group in ISO 37001’s international committee, which his main task was, still is, informally, to deliver a consistent message about the advantages and benefits of this standard. Since October 2016, he started to advise in ISO 37001, mainly driven by his knowledge during the development of the standard and his global role and experience. During the last years, Fernando has turned into one of the global opinion leaders in ISO 37001, writing, being interviewed and quoted in different publications and interviews around the world, such as ISO Focus Magazine, Wall Street Journal, CNA Broadcast Asia, LEC Brazil, America Economia, FCPA Blog, among others. Currently, he is advising organizations to adopt and implement ISO 37001. Fernando is an ISO 37001, Lead Implementer, Lead Auditor and International Trainer for PECB (Canadian Professional Certification Institute)

Fernando has shown passion for the academia. Since 2010, while he was residing in Brazil (currently residing in Mexico) he has created and founded the first grad-programs in universities, rank as top-5 in Latin America, in Mexico and Brazil, focused in Anti-fraud, Anticorruption and Compliance. Also, he was invited by the Brazilian Bar Association leaders to participate and provide comments in the Anticorruption Brazilian Bill, today known as the “Brazil´s Clean Act”, during its development (2010 – 2013).

Currently, Fernando is also the Co-founder and Vice-President of the First Mexican Association of Ethics and Compliance Professionals (“AMPEC, for the initials in Spanish).

Contact Fernando Cevallos


Ken Chamberlain

Moscow, Russia

Ken has been the Managing Director of CSI Group (a member of Sierra Financial Group's global network) since 2013. Prior to this, he had over 38 years’ experience in the retail & commercial financial services and industrial sectors, in both established & emerging markets in Europe, CIS, Africa, South East Asia, Middle East, North and South America & ANZ.

He was previously employed by General Electric Corporation for 25 years, ultimately holding the position of Global Compliance Leader with responsibility for over 60 financial services businesses, covering 42 jurisdictions.  

During his time with GE, Ken successfully qualified as a Certified Fraud Examiner, Certified Financial Controllership, Certified 6-Sigma (6σ) Project Management and Certified IDEA Examiner, additionally being recognized with the GE Corporation ‘Presidents Global Recognition’award as outstanding global performer on two separate occasions. 


Ken has operational & leadership experience in excess of 60 countries, responsible for the development of many ‘best-in-class’ operational tools, specifically in the areas of local and cross-border Compliance & Ethics, FCPA / UKBA, Corporate Governance & Legal Compliance, AML and CTF, Data Protection, Internal Audit, Fraud Risk Management, White Collar Investigations, M&A’s and Crisis Management. He led a significant number of successful multi-jurisdictional and multi-disciplinary investigations in the areas of Fraud, Non-Compliance, Misappropriation and Embezzlement, FCPA / UKBA and White Collar.

In his current role Ken leads a highly qualified and experienced team of investigations specialists, supporting local & international law firms and industry sector clients in complex cross border arbitration and dispute resolution incidents, forensic investigations, corporate intelligence enquiries and fraud investigations. He has extensive practical experience in completing structured risk assessments of operational exposures from a regulatory compliance perspective, and building robust control infrastructures to facilitate financial protection, brand & reputational protection, provide regulatory assurances and maintain investor confidence.

Ken has received international awards and peer accolades for his pragmatic balanced compliance mindset, spanning all continents and cultures, for his leadership acumen and agility, influencing business leaders and stakeholders strategies with clarity of thinking and an innate ability to distil complex business issues into prioritized business challenges with clear resolution plans.


 Select Areas of Specialization 

 - Banking  / Financial Services

- Insurance

- Wealth   Management 

- Industrial

- Health Care Technologies

- Aircraft   Engines

- Automotive

- Pharmaceutical

- Construction

- Agricultural

- Logistics

- Film&TV Industry


Contact Ken Chamberlain


Alexander Pisemskiy

Moscow, Russia

Alexander is an Executive Director at CSI Group (a member of Sierra Financial Group's global network) and leads the Forensic Technology practice. He has extensive and diverse experience in delivery of projects related to digital data analysis. During the last 14 years he managed number of complex international and cross-border engagements, supporting clients with solving internal and external compliance issues and investigations, including Europe, CIS, South East Asia, Middle East, and North America.  

Prior to CSI Group, Alexander held the position of Forensic Technology Leader for Russia and CIS in one of the Big4 companies and was a co-founder of the first Russian company specialised in cyber-crime investigations, where he led development of computer forensic and incident response lines of services. ​

Alexander is a certified professional in Information Security and Computer Forensics. He holds certifications as a GIAC Certified Forensic Analyst, Certified Information Security Manager, Certified Information Systems Auditor and Microsoft Certified Professional.  


He is a member of the following international professional associations: The Information Systems Audit and Control Association (ISACA) and Association of Certified Fraud Examiners (ACFE).

Alexander has operational & investigation leadership experience in excess of 50 jurisdictions, leading multi-functional teams including both local and complex cross-border assignments. He has extensive experience specifically in the areas of Computer Forensics, eDiscovery, Fraud Investigations, Forensic Investigations, Data Analytics, Information Security, IP Protection, Cyber-Crime Investigations, Complex Litigation Support, Data Protection, FCPA / UKBA, Due-Diligence and Internal Audit.

In his current role, Alexander leads a highly qualified and experienced team of specialists, working in cooperation with local & international law practices spanning a comprehensive diversity of international corporate and commercial sector clients. He has extensive operational experience in performing structured investigations of operational complexity from both an internal and regulatory perspective.

Alexander has received significant peer recognition for his methodical excellence and immediate understanding of operational exposures, meticulous attention to detail, his focused attitude and strategic communication skills, and his coherent and definitive reporting style. 

Select Areas of Specialization  

-Banking / Financial Services

- Pharmaceutival 

- Telecommunications

- Industrial

- Insurance

- Consumer Goods

- Automotive

- Construction

- Media / Entertainment

- Transportation 

- Manufacturing

- Technologies


Contact Alexander Pisemskiy


Riccardo Amatucci

Rome, Italy

Riccardo Amatucci is with D.A.D. ADVISORY S.R.L in Italy. As part of his professional activity Riccardo has worked in PricewaterhouseCoopers since 2003 in the Governance, Risk & Compliance and Forensic groups and was a Senior Manager of PricewaterhouseCoopers Italia SpA. 


In over 15 years of consulting Riccardo has gained significant experience in analyzing the internal control systems of Italian and foreign companies by carrying out projects for the definition of anti-corruption models, operating procedures and risk assessment.

Riccardo is a certified auditor enrolled in the Register of Auditors and a qualified expert in civil and criminal practice areas at different Judicial Offices of the Court of Rome. He holds several certifications, including Control Self-Assessment (CCSA) issued by "The Institute of Internal Auditors"; Risk Management Assurance (CRMA) issued by "The Institute of Internal Auditors" and Certified Fraud Examiner (CFE) issued by the ACFE (Association of Certified Fraud Examiners).


He is member supervisory bodies pursuant to Legislative Decree 231/01 (Administrative liabilities of legal entities deriving from offences) of various companies, including foreign companies, operating in the oil & gas, financial, pharmaceutical, gaming and railway sectors. 

He is an expert witness of investigated companies for internal controls matters as He has testified at the Court.

Furthermore, He participated in the working groups for the publication in Italian of the documents "Internal Control over Financial Reporting – Giudance for Smaller Public Companies " and "Enterprise Risk Management (ERM) " published by the Committee of Sponsoring Organizations of the Treadway Commission (COSO).

He holds a Bachelor of Business Administration from Università di Napoli Federico II and a Masters of Business Administration from SDOA. He is an Associate Member of the (ACFE) Association of Certified Fraud Examiners and AIA (The Institute of Internal Auditors).

 Select Areas of Specialization 

- Advertising 

- Aerospace & Defense

- Automotive

- Construction 

- Energy 

- Environmental

- Government Contracting

- Health Care

- Industrial

- Legal

- Pharmaceutical

- Technology


Juliette Gust

Scottsdale, AZ

Juliette Gust is the founder and president of Ethics Suite, a company that helps businesses identify, investigate and resolve alleged wrongdoing at their organization by providing a comprehensive solution for internal whistleblower reporting and tracking of workplace misconduct, fraud, or theft. Ethics Suite also provides expert support for internal investigations and ethics and compliance-related consulting services.


Ms. Gust has personally conducted or led more than 1,500 investigations spanning 75 countries and has advised on more than 10,000 employee ethics line reports. She developed and was the Director of the Fraud & Investigations team for a global hospitality company with 180,000 employees in more than 100 countries. She also served as the Project Manager and a core member of the company’s Anti-Corruption compliance program, leading the development of a best-in-class global anti-corruption risk assessment, audit plan, and third-party due diligence program.

Juliette's past experience includes providing advisory services to a diverse group of clients as a Manager and subject matter specialist within PwC’s Regulatory, Forensics, and Hospitality practices, where she led investigations and engagements in the U.S. and abroad on a variety of matters including anti-money laundering, anti-corruption and anti-bribery, embezzlement and financial statement fraud, and has presented findings and recommendations before executive boards, federal and state regulatory agencies and audit committees in response to regulatory enforcement actions. Prior to focusing on forensic accounting, Juliette spent 15 years in hospitality industry operations as an operations manager and general manager in high-volume hotels, casino hotels, convention centers and restaurants. 

Juliette has been a Certified Fraud Examiner since 2007 and is fluent in Spanish.

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Chad Gough

Chicago, IL

Chad is the Owner and Founder of 4Discovery, and a member of Sierra Financial Group's global network. He is an EnCase Certified Examiner (EnCE) and a Certified Information System Security Professional (CISSP). Chad has over 18 years of private sector and consulting experience in digital forensics, incident response, and electronic discovery. His background includes experience working on a wide array of cases involving matters such as trade secret and intellectual property theft, data breaches, fraud, financial crimes, employee misconduct, Foreign Corrupt Practices Act (FCPA) violations, and electronic healthcare records (EHR) compliance.

For the last 10 years, Chad has operated and managed 4Discovery. As the lead examiner of 4Discovery’s forensic team, he uses his extensive knowledge of legacy, modern, and emerging technologies to develop efficient and cost-effective solutions for clients. Chad works as a trusted partner with his clients and helps them understand how forensic artifacts and user activities impact their cases by providing clear, concise findings.     


From multi-million-dollar civil litigation matters to murder cases, Chad’s expert consulting and testimony has led to convictions and settlements in numerous cases across the globe. He has been designated an expert in civil and criminal matters at the local, state, and federal level. Chad has provided numerous types of expert services, including 30(b)(6) depositions and testimony, affidavits, declarations, expert and rebuttal reporting, witness preparation, depositions, and testimony. 

Chad spent the first part of his career working in the insurance industry at a Fortune 500 Company. He led the Computer Incident Response Team (CIRT) and conducted over 200 investigations dealing with unauthorized access, theft, forgery, and fraud at both network and physical levels on various platforms. Chad also performed intrusion detection, vulnerability and penetration testing, and worked on developing enterprise architecture and applications. 

After leaving that role, Chad worked as the Director of Electronic Discovery at Impact Forensics. While there, he was retained by law firms as an expert witness and consultant on digital forensic and electronic discovery matters. 

In addition to his work at 4Discovery, Chad teaches courses in the Computer Security and Forensic Investigation program at DePaul University. Chad utilizes his programming knowledge to develop forensic tools for use by the digital forensics community. As technologies change, Chad collaborates with members of the security and digital forensics community to improve software and locate vulnerabilities. He previously taught courses in security and forensic investigations at Wilbur Wright College. He holds a Bachelor of Science in Management Science and Information Systems from Penn State.   

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