David Zinn focuses his practice in white collar criminal defense, related regulatory investigations and complex civil litigation.  Mr. Zinn has represented clients in connection with indictments and/or investigations involving a wide array of business offenses, including securities, bank, accounting, and tax fraud; antitrust violations; public corruption; and Foreign Corrupt Practices Act (FCPA) violations.  His matters frequently involve parallel investigations by the SEC and/or state attorneys general, as well as related civil lawsuits.  His clients have included significant multinational companies, U.S. public companies, and individual executives. 

Mr. Zinn is recognized as a leader in white collar practice by Chambers and Partners, Best Lawyers, and SuperLawyers.  He has been described in Chambers as "an intelligent and aggressive trial lawyer with incredible dedication to any case” and “a superb and creative advocate.”

Mr. Zinn speaks regularly before other practitioners on topics ranging from criminal trial practice to money laundering to international investigations.  He is former co-chair of the American Bar Association's White-Collar Crime Subcommittee on Transnational Crimes and of the Subcommittee for the D.C. Region.  He has served on the advisory board for the American Bankers’ Association/American Bar Association annual money laundering conference, where he has lectured on such topics as mortgage fraud and the FCPA.

Mr. Zinn joined the firm in 1993 and has been a partner since 2000.