Independent, objective, nonpartisan research
Portrait of A. Marisa Chun

A. Marisa Chun


Superior Court of California, County of San Francisco

Judge A. Marisa Chun has served on the Superior Court of California, San Francisco County, since 2021. She has presided over civil and criminal matters, including juvenile dependency cases and felony arraignments, preliminary hearings, and motions. Previously, she was a partner at Crowell & Moring LLP, where she practiced high-stakes trial and appellate litigation and white-collar defense and served as co- lead of the firm’s appellate practice.  She represented companies, public universities, nonprofit associations, and individuals in the federal and state courts and vis-à-vis government agencies. She began her public service career at the US Department of Justice through the Attorney General’s Honors Program as a civil rights lawyer. She also served as a prosecutor at the US Attorney’s Offices for the Eastern District of Virginia and the District of Maryland and, from 2009 to 2013, as deputy associate attorney general, where she advised the Department’s leadership on antitrust, intellectual property, health care fraud, telecommunications, and environmental matters. She serves on the executive committee of the Edward J. McFetridge American Inn of Court and has taught trial advocacy at Stanford and University of San Francisco Law Schools. She previously served as a board member of the Bar Association of San Francisco, president of the Korean American Bar Association of Northern California, a Lawyer Representative for the Northern District of California to the Ninth Circuit Judicial Conference, a member of the Judicial Council of California’s Advisory Committee on Civil Jury Instructions, and a Coro Foundation Public Affairs fellow. She joined PPIC’s board of directors in 2015, having previously served as PPIC’s outside counsel. She graduated from Yale University and Harvard Law School, where she served as developments editor of the Harvard Law Review. She served as a law clerk for the Honorable Robert Boochever of the United States Court of Appeals for the Ninth Circuit.