-Professor of Law, Boalt Hall School of Law, University of California at Berkeley, 1993-present
-Visiting Professor of Law, University of Chicago Law School, 2003
-Deputy Assistant Attorney General, Office of Legal Counsel, U.S. Department of Justice, 2001-2003
-General Counsel, Committee on the Judiciary, U.S. Senate, 1995-1996
-Law Clerk, Justice Clarence Thomas, 1994-1995
-Law Clerk, Judge Laurence H. Silberman, 1992-1993
