Joon H. Kim’s practice focuses on white-collar criminal defense, internal corporate investigations, regulatory enforcement, and crisis management, as well as complex commercial litigation and arbitration.
Joon has enjoyed a distinguished career over two decades at high levels of government and in private practice at the firm, personally trying over a dozen federal jury trials and actively participating in dozens more.
From March 2017 to January 2018, he served as the Acting U.S. Attorney for the Southern District of New York. As the most senior federal law enforcement officer in the district, he oversaw all criminal and civil litigation conducted on behalf the United States and supervised the work of about 220 Assistant U.S. Attorneys handling a wide range of cases, including securities fraud, cybercrime, domestic and foreign corruption, money laundering, tax litigation, terrorism, racketeering, Bank Secrecy Act and sanctions violations, theft of trade secrets, and economic espionage, as well as civil rights, false claims act, civil enforcement, and environmental matters.
Before becoming Acting U.S. Attorney, Joon served in various leadership positions in the office, including Deputy U.S. Attorney, Chief of the Criminal Division, and Chief Counsel to the U.S. Attorney.
Joon joined the firm in 1997 as an associate in the litigation group. From 2000 to 2006, he was an Assistant U.S. Attorney in the Southern District of New York. From 2006 to 2013, he was part of the firm’s enforcement and litigation group, becoming partner in 2009.
He has represented major financial institutions, global conglomerates, and senior executives in criminal and regulatory matters, as well as in complex civil litigation and international arbitration. He rejoined the firm in 2018.
- Harvard Law School, J.D., 1996
- Stanford University, B.A., 1993
- New York
- U.S. District Court, Southern and Eastern Districts of New York
- U.S. Court of Appeals, Second Circuit
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