CLIFTON A. ERICSON II works for EG&G Technical Services, Inc., as a project manager for system safety and software safety. Mr. Ericson previously spent thirty-five years at Boeing, where, in 2000, he won the Apollo Award for fault tree training on the International Space Station and the Boeing Achievement Award for developing the Boeing Fault Tree Analysis course. He wrote a Navy manual on system safety for the Naval Ordnance Safety and Security Activity (NOSSA) and also manages several system/software safety projects. Mr. Ericson was president (2001–2003) and executive vice president (1999–2001) of the System Safety Society. He is on the technical review committee for the Journal of System Safety, cochaired the Sixteenth International System Safety Conference, and founded the Puget Sound chapter (Seattle) of the System Safety Society. In 1998, 1999, and 2004, he won the System Safety Society's President Award for outstanding work in system safety.