A. Marisa Chun heads the firm’s Bay Area Litigation Practice Group. She focuses her practice on complex business litigation and white-collar defense matters and investigations. Marisa’s mediation, litigation, and trial experience has helped clients solve their problems effectively, in matters involving trade secret misappropriation, breach of contract, breach of fiduciary duty and other torts, fraud, health care litigation, privacy, unfair competition, shareholder derivative and employment claims. A former prosecutor and senior Justice Department official, Marisa represents individuals and corporations in civil and criminal investigations and proceedings brought by the US Department of Justice, the US Attorney’s Offices, the US Department of Health & Human Services’ Office of Inspector General (HHS-OIG), and the California and other state Attorneys General offices, as well as in internal investigations and compliance matters, involving alleged health care fraud, False Claims Act, Foreign Corrupt Practices Act (FCPA), antitrust and trade secrets violations. Bilingual in Korean, Marisa has significant experience representing Korean life sciences, technology, energy, and emerging companies in diverse legal matters as well.
Previously, Marisa served as US Deputy Associate Attorney General at the US Department of Justice. She advised the Department’s leadership on various enforcement issues, including overseeing certain matters involving intellectual property, health care fraud, antitrust, privacy, telecommunications and Korea. Her work leading the Department’s negotiations to dismiss preemption lawsuits challenging state authority to set vehicle greenhouse gas emissions standards was recognized with the US Department of Justice’s John Marshall Award. Marisa also served as a prosecutor in the US Attorney’s Offices for the Eastern District of Virginia and the District of Maryland, where she investigated, prosecuted and/or tried cases involving narcotics trafficking, health care and immigration fraud, money laundering and child sex trafficking. She won every trial and appeal as a prosecutor.
Marisa serves on the Board of the Public Policy Institute of California. She teaches trial advocacy at Stanford Law School and has been appointed by the US District Court (N.D. Cal.) to mediate cases. She has worked on pro bono matters in conjunction with the Lawyers’ Committee for Civil Rights and the Asian Law Caucus.
Marisa is a graduate of Yale University, summa cum laude, and Harvard Law School, cum laude, where she served as Developments Editor of the Harvard Law Review. She served as a law clerk to the Honorable Robert Boochever of the US Court of Appeals for the Ninth Circuit.
COMPLEX COMMERCIAL LITIGATION
WHITE-COLLAR DEFENSE MATTERS