Private practice, St. Louis, Missouri, 1980-1991
Adjunct faculty, Washington University School of Law, 1991-2010
Assistant U.S. attorney, Eastern District of Missouri, 1991-2000, 2001
U.S. attorney for the Eastern District of Missouri, 2000-2001
U.S. Magistrate Judge, U.S. District Court, Eastern District of Missouri, 2001-2010