U.S. Supreme Court
U.S. Court of Appeals for the Fourth Circuit
U.S. Court of Appeals for the Eleventh Circuit
U.S. Court of Appeals for the District of Columbia Circuit
Member, Workplace Health and Safety Committee for the Society for Human Resource Management from 2000 to 2004, including a two-year term as the committee's chair
Member of the Health and Safety Subcommittee for the U.S. Chamber of Commerce
Member, Knights of Malta
Member, Sons of the American Revolution