Who's Who Legal
Who's Who Legal
New to Who's Who Legal?
New to Who's Who Legal?
User Menu
New to Who's Who Legal?
Thought Leaders

Thought Leaders

To view the phone number and email addressRegisterLogin

Thought Leader

WWL Ranking: Thought Leader

Global Leader

WWL Ranking: Global Elite Thought Leader

Professional Biography

WWL Ranking: Recommended

WWL says

Sean Hecker has extensive experience in complex issues ranging from corruption to tax fraud in the context of external and internal investigations.


Sean Hecker is an experienced trial lawyer whose practice focuses on white-collar criminal defence, government and internal investigations, complex civil litigation, and regulatory compliance.

Sean’s practice includes representing employees, officers, directors and corporations across various industries in grand jury and regulatory investigations, including those conducted by the DOJ, the SEC, the CFTC, the FTC, the IRS and federal and state banking regulators and state law enforcement agencies. He represents individuals on matters concerning alleged securities and commodities fraud, corruption (including the FCPA), accounting fraud, money laundering, tax fraud, and antitrust violations. He has tried numerous cases to juries in federal and state court. He also regularly advises clients on various legal and compliance issues.

Sean is nationally recognised as a go-to lawyer for corruption and other white-collar criminal defence matters. The Legal 500: US rated Sean as a leading lawyer in corporate investigations and white-collar criminal defence, describing him as “thoughtful, commercial, and very experienced.” Chambers USA recognised him as one of the leading lawyers for FCPA matters and white-collar crime and government investigation matters, describing Sean as “terrific” and a “pragmatic and down-to-earth” lawyer. Clients note: “Sean is an excellent partner and a pleasure to work with. He is extremely knowledgeable about the law and applies it in a very practical way.” He is also listed by Benchmark Litigation as a “National Practice Area Star” and a “Local Litigation Star” in New York, and was named a “Client Service All-Star” by BTI Consulting Group in 2013.

Sean is a member of the Criminal Justice Act (CJA) panel in the Southern District of New York, where he represents indigent federal criminal defendants. He serves as chairman of the board of the Office of the Appellate Defender, and the board of the Federal Defenders of New York, Inc; and he is the chair of the New York City Bar Association’s task force on mass incarceration. He also serves as treasurer on the board of the New York Council of Defense Lawyers.

Prior to joining Kaplan Hecker & Fink, Sean was a partner at Debevoise & Plimpton, LLP and a trial lawyer with the Federal Defenders of New York. As a federal defender, Sean defended individuals charged in the Southern District of New York with a wide range of federal offences and handled numerous trials and hearings. Sean was a law clerk for the Honorable John M Walker, Jr, US Court of Appeals, Second Circuit, from 1998 to 1999, and for the Honorable Sidney H Stein, US District Court, Southern District of New York from 1997 to 1998.

Sean received his JD from Stanford Law School in 1997, where he graduated Order of the Coif and was the senior note editor of the Law Review. He received a master’s degree in public policy from the John F Kennedy School of Government, Harvard University in 1994. He graduated magna cum laude from Columbia College in 1992.

Law Business Research
Law Business Research Ltd
Meridian House, 34-35 Farringdon Street
London EC4A 4HL, UK
© Law Business Research Ltd 1998-2019. All rights reserved.
Company No.: 03281866