Law clerk, Hon. Stephen F. Williams, U.S. Court of Appeals for the District of Columbia Circuit, 1992-1993
Law clerk, Hon. Antonin Scalia, Supreme Court of the United States, 1993-1994
Private practice, Chicago, Illinois, 1994-1995, 1999-2004, 2009-
Assistant U.S. attorney, Northern District of Illinois, 1995-1999
Adjunct professor, Northwestern University School of Law, 1998-1999
Lecturer, University of Chicago Law School, 2000-2008
Deputy attorney general, U.S. Department of Justice, 2008-2009
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