William Barry regularly advises boards of directors, companies, and financial institutions on a broad range of issues involving white collar and securities enforcement, transactional due diligence and compliance with Foreign Corrupt Practices Act (FCPA), money laundering, economic sanctions, and insider trading requirements.   

Mr. Barry guides clients through the complex issues involved in responding to inquiries from domestic and international regulators regarding issues of accounting fraud, foreign bribery, money laundering, and other financial crimes. He represents clients faced with the challenge of responding to competing demands in parallel proceedings, such as internal reviews, government investigations, and private civil actions.

Mr. Barry is a member of the American Bar Association's International Anti-Money Laundering Committee and International Anti-Corruption Committee. He has been designated as a Certified Anti-Money Laundering Specialist by ACAMS, the Association of Certified Anti-Money Laundering Specialists.

Mr. Barry is the chairman of Olney Boys & Girls Club, a non-profit sports association that serves approximately 5,800 children and their families in Maryland. 

  • Represented the audit committee of a global asset manager in conducting an independent investigation and interacting with U.S. regulators regarding allegations of FCPA violations, economic sanctions, and money laundering.
  • Represented the audit committee of a U.S.- and Canadian-listed public company regarding an independent investigation into revenue recognition and reserve accounting issues.
  • Represented employees of non-U.S. bank in connection with an investigation by the Southern District of New York (SDNY) and the New York County District Attorney's Office (DANY) into potential violations of U.S. economic sanctions implemented under the Trading with the Enemy Act of 1917 (TWEA) and the International Emergency Economic Powers Act (IEEPA) and administered by the Office of Foreign Assets Control (OFAC). 
  • Represented the board of directors of a petroleum industry Fortune 100 multinational corporation headquartered in Brazil relating to U.S. regulatory matters, including government investigation and civil litigation.
  • Advised financial institutions with respect to anti-money laundering (AML) policies, procedures, and controls. Conducted AML compliance audits of third-party administrators.
  • Successfully defended an investment adviser in connection with U.S. Securities and Exchange Commission (SEC) insider trading investigation involving a global pharmaceutical company.
  • Conducted an audit committee investigation into reserve accounting issues at a U.S.-listed, multi-national retailer.
  • Obtained declinations from the U.S. Department of Justice (DOJ) and SEC on behalf of a U.S. telecommunications company in connection with parallel criminal and civil investigations into allegations of FCPA violations.
  • Advised multibillion-dollar hedge fund and private equity fund clients with respect to anti-corruption due diligence and compliance issues related to investments in and monitoring of portfolio companies in Brazil, Russia, India, and China.
  • Defended a former chief executive officer of a Fortune 25 company in an SEC accounting investigation.
  • Defended foreign institutions in connection with parallel enforcement, tax and money laundering investigations by the SDNY U.S. Attorney's Office, SEC, and Permanent Subcommittee on Investigations of the U.S. Senate.
  • Benchmark Litigation: National Star for White Collar Crime and Securities Litigation, 2017 - 2018
  • Legal 500: Dispute Resolution: Corporate Investigations and White-Collar Criminal Defense, 2013 - 2016, 2018
  • DC Bar's Capital Pro Bono High Honor Roll, 2015
  • Member, American Bar Association Anti-Money Laundering Committee
  • Member,  American Bar Association International Anti-Corruption Committee
  • Certified Anti-Money Laundering Specialist, Association of Certified Anti-Money Laundering Specialists
  • Chairman, Olney Boys & Girls Club 
Bar Admissions
  • District of Columbia
  • Massachusetts
Court Admissions
  • United States District Court for the District of Columbia
  • United States District Court for the District of Massachusetts
  • District of Columbia Court of Appeals
  • Clerk, The Honorable Truman A. Morrison III, District of Columbia Superior Court, 1995 – 1996