Katya Jestin

Career

As Jenner & Block's Co-Managing Partner, Katya Jestin provides clear leadership and direction for the firm, with an unwavering commitment to its core values, including its promotion of diversity, equity and inclusion.

Katya's experienced and strategic guidance fosters a sense of calm and order for entities or individuals facing a major crisis. A former Assistant United States Attorney, she serves as co-chair of the firm's Investigations, Compliance, and Defense Practice where she represents clients in high-stakes criminal, regulatory, and congressional investigations. In addition, Katya helps companies, executives and boards conduct sensitive internal investigations on matters ranging from global compliance to culture risk.

Katya represents clients before the US Department of Justice, the Securities and Exchange Commission, the New York State Attorney General’s Office, and the Senate Permanent Subcommittee on Investigations. Known as a diligent and honest fact-finder, she brings credibility to her clients' dealings with government investigators and prosecutors. Outside the investigative context, clients rely on her insight when building efficient and sustainable compliance programs.

As an Assistant US Attorney and supervisor in the Criminal Division of the Eastern District of New York, Katya investigated and prosecuted fraud, money laundering, and other white-collar offenses. She prosecuted leaders of three of the five Mafia organized crime families and served as co-counsel in the RICO prosecution of Gambino boss Peter Gotti and 16 co-defendants.