Experienced and trusted counsel supported by a team of expert investigators, researchers, analysts, and forensic accountants.

Complex litigation, government enforcement actions, regulatory inquiries, political campaigns, and high-profile hires, investments, and acquisitions are often accompanied by intense media scrutiny and reputational risks that can spread rapidly and widely. The Lenzner Firm, P.C., combines years of experience in high-stakes litigation with unrivaled fact-finding capabilities – including through its longstanding affiliation with the renowned corporate investigations and risk advisory firm IGI – to help clients solve complex problems and mitigate risk.

The Lenzner Firm, P.C. was founded by Terry F. Lenzner, who previously served as Assistant Chief Counsel to the Senate Watergate Committee. Prior to establishing the firm, Lenzner was a trial attorney in the Civil Rights Division of the U.S. Department of Justice, a federal prosecutor in the U.S. Attorney’s Office for the Southern District of New York, and an attorney at other prominent Washington, D.C. law firms.


Practice Areas


White Collar Representation and Government Investigations


Internal Corporate Investigations


Litigation and Crisis Communications


Vetting and Due Diligence




The Wall Street Journal Publishes Obituary of Founder Terry F. Lenzner

News    •    Published by The Wall Street Journal


The New York Times Publishes Remembrance of Founder Terry F. Lenzner

News    •    Published by The New York Times


The Lenzner Firm Mourns Passing of Founder Terry F. Lenzner

News    •    Published by The Lenzner Firm


The Washington Post Interviews The Lenzner Firm’s Arun Rao

News    •    Published by The Washington Post