Temidayo Aganga-Williams

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+1 212.390.9014

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Temidayo Aganga-Williams is an experienced litigator bringing strong government credentials to his representation of clients facing complex government enforcement actions, internal investigations, congressional oversight, and high-stakes civil litigation.

Most recently, Temidayo served as Senior Investigative Counsel for the House Select Committee to Investigate the January 6th Attack on the U.S. Capitol. Before that, he was an Assistant U.S. Attorney in the Criminal Division of the U.S. Attorney’s Office for the Eastern District of New York.

As Senior Investigative Counsel, Temidayo was responsible for investigating the facts, circumstances, and causes of the attack and issues relating to the peaceful transfer of power. In that role, he conducted depositions and interviews of dozens of witnesses, including senior advisors to former President Trump, provided legal and strategic guidance on novel congressional investigation issues, coordinated the presentation of evidence for nationally televised hearings, and contributed to the Select Committee’s final report.

As an Assistant U.S. Attorney in Brooklyn, Temidayo investigated, prosecuted, and tried complex and sensitive cases across a wide spectrum of subject matters. He was a member of the Business and Securities Fraud section, in which he investigated and prosecuted white collar cases, including bank fraud, tax fraud, mail and wire fraud, and Bank Secrecy Act violations. He was also a member of the International Narcotics and Money Laundering section, in which he investigated and prosecuted money laundering and narcotics trafficking organizations, organized criminal conduct, and racketeering operations throughout the United States and internationally.

Temidayo has argued numerous cases before the U.S. Court of Appeals for the Second Circuit. He received the U.S. Department of Justice’s Assistant Attorney General’s Award for Distinguished Service for his extraordinary contributions. He also received the U.S. Department of Homeland Security, Homeland Security Investigations’ Investigative Group of the Year Award.

Temidayo was named one of the 500 Leading Lawyers in America by Lawdragon and has also been recognized as a Rising Star by the New York Law Journal, which awards the region’s most promising and accomplished lawyers 40 and younger.

His insights on the latest legal developments are regularly sought out by prominent media outlets, including CNN, MSNBC, BBC News, The Washington Post, The Wall Street Journal, Financial Times, Politico, and Law360.

Prior to his years in public service, Temidayo was a litigation associate at Cleary Gottlieb Steen & Hamilton LLP. He also clerked for the Honorable Dora L. Irizarry of the U.S. District Court for the Eastern District of New York.

Temidayo earned his J.D. from Cornell Law School.

  • Cornell Law School (J.D.)
  • Furman University (B.A., Political Science, Philosophy)

United States House of Representatives, Select Committee to Investigate the January 6th Attack on the United States Capitol
Senior Investigative Counsel, 2021-2023

United States Attorney’s Office, Eastern District of New York
Assistant United States Attorney, 2017-2021

Cleary Gottlieb Steen & Hamilton LLP
Associate, 2011-2014, 2015-2017

United States District Court for the Eastern District of New York
Law Clerk to the Honorable Dora L. Irizarry, 2014-2015

  • State Bar of New York
  • U.S. District Court for the Eastern District of New York
  • U.S. District Court for the Southern District of New York
  • U.S. Court of Appeals for the Second Circuit