Expert Missions for the International Atomic Energy Agency:

Austria (1989, 1990, 1991)
People's Republic of China (1989)
Netherlands (1990, 92, 94)
Republic of Korea (1991)

Member, U.S. Team, International Reliability Benchmark, Joint Research Center of the European Economic Community, Ispra, Italy, 1985-86.

Peer Review for Organizations

National Science Foundation,
International Atomic Energy Agency,
National Institute of Standards and Technology,
Nuclear Regulatory Commission, and
Electric Power Research Institute

Peer Review for Technical Journals

Risk Analysis,
Reliability Eng. and System Safety,
Nuclear Technology,
Nuclear Engineering and Design,
Nuclear Safety, and
IEEE Transactions on Reliability.