Harry Weiss represents clients in securities enforcement matters and counsels corporations and their directors and officers regarding a wide range of corporate compliance issues. He joined the firm in 1995 and served on the staff of the Securities and Exchange Commission (SEC) for 11 years, ultimately as Associate Director of the Division of Enforcement. Mr. Weiss previously served as chair of the Securities Litigation and Enforcement Practice.

While at the SEC, Mr. Weiss led investigations involving insider trading, financial reporting, accounting and disclosure problems and broker-dealer and investment adviser violations. Prior to joining the firm, Mr. Weiss was the General Counsel of PaineWebber, Inc., in New York. 

Professional Activities

Mr. Weiss speaks frequently on SEC enforcement and corporate compliance issues, and is a former co-chair of the Securities Enforcement Subcommittee of the ABA Litigation Section.


  • Recognized in the 2018–2021 editions of Chambers USA: America's Leading Lawyers for Business as a national leader in the areas of securities regulation and enforcement. Listed in the 2006–2017 editions for his work in financial services and securities, and in the 2005 edition for his work in corporate and commercial law
  • Named a "National Practice Area Star" and "Local Litigation Star" for the District of Columbia in securities litigation by Benchmark Litigation in 2021 and 2022
  • Selected as a top-rated securities and corporate finance attorney in the 2008–2017 editions of Washington DC Super Lawyers
  • Recommended by The Legal 500 United States for his securities litigation practice
  • Named the Securities/Capital Markets Law Lawyer of the Year for 2018, 2016 and 2014 by Best Lawyers. Selected by peers for inclusion in the 2005–2006, 2008–2022 editions of Best Lawyers in America in the areas of corporate (2005–2006), M&A (2005–2006), securities/capital markets law (2005–2006, 2008–2021) and corporate governance and compliance law (2008–2022)
  • Selected by Washingtonian magazine as one of the top lawyers in Washington DC in the area of securities law, 200720092011 and 2013
  • Named to Securities Docket's inaugural 'Enforcement 40'—a list of the 40 best and brightest individuals in the securities enforcement defense field.  
  • Recognized by his peers as one of the world's leading corporate governance lawyers in Legal Media Group's The Best of the Best
  • Nominated by clients and peers for inclusion in Global Investigations Review's Who's Who Legal: Investigations 2017, as well as the 2013 and 2014 editions of The International Who's Who of Corporate Governance Lawyers

Insights & News


  • Education

    • JD, Boston University School of Law, 1976

    • AB, Johns Hopkins University, 1973

  • Admissions

    • District of Columbia

    • Massachusetts

    • New York

  • Government Experience

    • Securities and Exchange Commission

      Division of Enforcement

      Branch Chief
    • Securities and Exchange Commission

      Division of Enforcement

      Assistant Director
    • Securities and Exchange Commission

      Division of Enforcement

      Associate Director
    • Securities and Exchange Commission

      Office of the General Counsel

      Special Trial Counsel