Adjunct Professor Andrew Y.S. Cheng is a San Francisco Superior Court Judge and was appointed in September 2009. Since 2014, Judge Cheng has been a probate judge and presides over wills, trusts, and estates litigation, law and motion, and trials. He also presides over conservatorship and guardianship cases, as well as LPS mental health cases. From 2010-2014, Judge Cheng presided over criminal trials and preliminary hearings at the San Francisco Hall of Justice.
Prior to becoming a judge, he served as an Assistant United States Attorney in the United States Attorney's Office for the Northern District of California from 2003-2009 and served as Deputy Chief of the Civil Division from 2006-2009. Prior to 2003, he practiced for six years as a Deputy City Attorney at the San Francisco City Attorney's Office. As a practicing attorney, he tried numerous civil cases to verdict or judgment in employment, tort, energy, tax, and civil rights cases, argued four times before the Ninth Circuit Court of Appeals and three times before the California Courts of Appeal, and served as lead counsel in over 100 federal cases. As deputy chief of the civil division, he was responsible for supervising the trial of numerous federal civil cases.
Prior to working at the San Francisco City Attorney's Office, Judge Cheng was a judicial law clerk to the Honorable Sarah Evans Barker, United States District Judge, Southern District of Indiana. He also practiced as an associate attorney at Pillsbury, Madison & Sutro and Steinhart & Falconer in San Francisco. Judge Cheng taught as a lecturer in legal writing at Boalt Hall School of Law from 1996-1997.
Judge Cheng received his Juris Doctor degree from Yale Law School in 1992, where he served on the Moot Court Board. He received his undergraduate degree summa cum laude in history from Columbia University. He has served as a faculty member for the National Institute of Trial Advocacy ("NITA") since 2008.