Bachelor of Science, Civil Engineering, Colorado State University, 1978. Master of Science in Aeronautical Engineering, United States Naval Postgraduate School, Monterey, California, 1987. Graduate, United States Navy Test Pilot School, Patuxent River, Maryland, 1987.
Commissioned ensign, United States Navy, 1979; advanced through grades to commander, United States Navy, 1994; assigned to Fighter Squadron 2, United States Ship Ranger and United States Ship Kitty Hawk, 1981-1985; F-14 project officer carrier suitability branch, Strike Aircraft Test Directorate, Patuxent River, 1987-1990; operations officer, Fighter Squadron 211, 1990-1992; astronaut, National Aeronautics and Space Administration Johnson Space Center, Houston, since 1992. Pilot on two space flights aboard Space Shuttle Columbia, STS-73 and STS-80.
Member American Institute of Aeronautics and Astronautics, Society Experimental Test Pilots (Ray E Tenhoff award 1990), Chi Epsilon.
Married Mary Sue Rule, January 26, 1985. 1 child, Kristin Nicole.