Research Affiliate, Security Studies Program Massachusetts Institute of Technology. Former Senior Fellow and Principal Research Scientist, Security Studies Program, Massachusetts Institute of Technology. Former Assistant Director, National Security Division, Congressional Budget Office. Former positions with The MITRE Corporation: Director, C2 Integration Environment; Associate Technical Director, Continental Command, Control, and Communications Division; Department Head, Strategic Air Command Systems Department; Associate Department Head, Strategic Defense Initiative. Former positions with U.S. Department of Defense: Director, Strategic Offensive Forces Division, Program Analysis and Evaluation, Office of the Secretary; Operations Analyst. Former positions with RAND Corporation: Mathematician, Strategic Forces Project; Project Leader, Force Operations Team, Automated Wargaming Center.