Oberst, USAF (ausgeschieden am 1. Juli 2004); Bachelor of Science von der North Carolina State University, Raleigh, 1978; Master of Science in Aeronautical Engineering vom USAF Institute of Technology, 1982; 1985 als MSE-Group-3 ausgewählt; im Juli 1988 ausgeschieden; Space Shuttle Project Engineer, Vandenberg AFB, California, 1978-1981; Chief, Spacecraft Engineering Branch, SAFSP/OD-4, Onizuka AFB, California, 1982-1986; Manned Spaceflight Engineer/Payload Specialist Candidate, Los Angeles AFB, California 1986-1990; Ballistic Missile Defense Staff Officer, Peterson AFB, 1991-1994; Commander, 2nd Space Operations Squadron, Schriever AFB, Colorado, 1994-1995; Program Manager, Delta II Launch Vehicle, Los Angeles AFB, California, 1995-1997; Chief, Program Management Branch, Peterson AFB, 1998-2000; Chief, Air Operations Center Systems Support Division, Hanscom AFB, Massachusetts 2000-2002; Chief, Space Operations Division, Pentagon, Washington D.C., 2002-2004.