Debevoise & Plimpton LLP partner David O’Neil has been recognized as a 2020 “Washington, D.C. Trailblazer” in the inaugural listing by The National Law Journal. Trailblazers are selected annually for their exceptional work advancing practice and policy in their sector.

Mr. O’Neil’s accompanying profile in The National Law Journal highlights his extensive experience tackling criminal law and public policy matters. Specifically, the profile focuses on Mr. O’Neil’s 9-0 constitutional victory in the Supreme Court involving an important constitutional issue, his representation of the House in the impeachment trial against President Trump, and helping corporate and government officials navigate high-profile investigations.

Mr. O’Neil is a litigation partner and member of the firm’s White Collar & Regulatory Defense Group. His practice focuses on white collar criminal defense, internal investigations, and congressional investigations. Mr. O’Neil is also recognized by Chambers USA (2020) and The Legal 500 US (2020) as a leading lawyer in White-Collar Crime & Government Investigations.