Space Nuclear Safety Lead on the DRACO, JETSON and FSP space nuclear programs. Member of AIAA, ASTM International Commercial Spaceflight Committee, and International Association for the Advancement of Space Safety (IAASS).

System Safety Engineering Manager overseeing the LM Space portfolio of NASA and GPS programs. Commercial Launch Licensing Manager for US and UK commercial launch programs, policy, regulatory affairs and safety oversight. Member of the and FAA Streamlined Launch and Reentry Licensing Requirements Aviation Rulemaking Committee (ARC).

FAA-licensed Safety Official for commercial Atlas V launches and EFT-1 reentry operations. Principal liaison with FAA Office of Commercial Space Transportation (FAA AST), USAF Range Safety, and on-console launch operations.

NASA human rating safety review board, hardware and software hazard analyses, safety integration with Airbus and ESA, range safety, airspace integration, orbital debris hazard assessments, launch integration, and flight operations.

Aircraft accident investigator, flight safety, certification and airworthiness knowledge, civil litigation.

Risk management, flight test operations, program schedule and cost assessments.

Space Shuttle Columbia Accident Investigation Board, flight safety officer and accident investigator, aircraft maintenance operations.