William E. Grauer is a lawyer in New York and California who was for 22 years, from 1988 to 2010, the chair of the Standing Committee on Discipline for the United States District Court for the Southern District of California. He was responsible for supervising discipline cases against attorneys in federal court. He is also a former chair of the Ethics Committee of the San Diego County Bar Association. Until his retirement, Grauer was a partner at the law firm of Cooley LLP specializing in securities litigation and the PSLRA, and has argued cases in the United States Supreme Court, the California Supreme Court and several times in the Circuit Court of Appeals.