Harry J. Weiss


Chair, Securities Litigation and Enforcement Practice Group

Weiss, Harry J.

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 is 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. 

Honors & Awards

  • Recognized as a national leader in the areas of Financial Services and Securities in the 2006-2015 editions of Chambers USA: America's Leading Lawyers for Business. Listed in the 2005 edition for his work in corporate and commercial law
  • Selected by Washingtonian magazine as one of the top lawyers in Washington DC in the area of securities law, 2007, 20092011 and 2013
  • Named the Securities/Capital Markets Law Lawyer of the Year for 2016 and 2014 by Best Lawyers. Selected by peers for inclusion in the 2005-2006, 2008-2016 editions of Best Lawyers in America, in the areas of corporate (2005-2006), M&A (2005-2006), securities/capital markets law (2005-2006, 2008-2016) and corporate governance and compliance law (2008-2016)
  • 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
  • Selected as a top-rated securities and corporate finance attorney in the 2008-2016 editions of Washington DC Super Lawyers
  • Nominated by clients and peers for inclusion in the 2013 and 2014 editions of The International Who's Who of Corporate Governance Lawyers

Publications & News


December 17, 2015

Barclays Completes Sale of its US Wealth & Investment Management Business to Stifel Financial

On December 4, 2015, Barclays PLC completed the sale of its US Wealth & Investment Management Business to Stifel Financial Corp. WilmerHale represented Barclays through this transaction, which was announced on June 8, 2015.

August 17, 2015

WilmerHale Lawyers Named Among the 2016 Best Lawyers in America®, Seven Recognized as Lawyers of the Year

Best Lawyers in America® recognizes 99 WilmerHale lawyers and names seven partners as Lawyers of the Year in its 22nd edition. Only one lawyer in each legal practice specialty within each region is honored as a Lawyer of the Year.

May 19, 2015

WilmerHale Practices, Lawyers Ranked Among Nation’s Best by Chambers USA

Chambers USA: America's Leading Lawyers for Business announced its final rankings for the 2015 edition, with WilmerHale ranking among the nation's best in 46 practice area categories. Chambers also ranked 86 WilmerHale attorneys as leaders in their respective fields.

April 28, 2015

SEC Applies Whistleblower Interference Rule to Corporate Confidentiality Requirement

On April 1, the US Securities and Exchange Commission issued—in a settled administrative proceeding—a cease-and-desist order in In the Matter of KBR, Inc., directing that the respondent cease violating Commission Rule 21F-17(a).

December 23, 2014

Recent Insider Trading Decision

On December 10, the US Court of Appeals for the Second Circuit issued an opinion in United States v. Newman that could be the most consequential insider trading decision in a generation, but for reasons that virtually no one anticipated.

April 25, 2014

WilmerHale Attorneys Recognized in Annual Washington DC Super Lawyers Listing

The annual edition of the Washington DC Super Lawyers magazine, published by The Washington Post Magazine, released its 2014 listing which includes 37 WilmerHale attorneys.

April 22, 2014

SEC To Examine Cybersecurity Preparedness at More Than 50 Registered Broker-dealers and Investment Advisers

On April 15, 2014, the Securities and Exchange Commission's Office of Compliance Inspections and Examinations issued a "Risk Alert" announcing steps being taken to assess cybersecurity preparedness in the securities sector.

February 20, 2014

Update: SEC's Financial Reporting and Audit Task Force

On February 11, Margaret McGuire, Vice Chair of the US Securities and Exchange Commission's (SEC) Financial Reporting and Audit Task Force (Task Force), participated in a DC Bar panel discussion to review the objectives, administration and early initiatives of the Task Force since its formation was announced by the SEC last July.

December 2, 2013

Washingtonian Magazine Names 14 WilmerHale Attorneys to "Best Lawyers" List

October 10, 2013

Securities Partners McLucas, Weiss and Davison Selected for ‘Enforcement 40’

WilmerHale Partners Bill McLucas, Harry Weiss and Doug Davison have been named to Securities Docket’s inaugural ‘Enforcement 40’—a list of the 40 best and brightest individuals in the securities enforcement defense field.

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.




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JD, Boston University School of Law, 1976

AB, Johns Hopkins University, 1973

Bar Admissions

District of Columbia


New York