Dr. Ifft, a retired member of the Senior Executive Service, is a Foreign Affairs Officer at the State Department. He has served on the U.S. delegations to the SALT, TTBT, START and CTBT negotiations, was the Senior State Representative to both the START and CTBT negotiations, and served as Deputy U.S. Negotiator to START. Dr. Ifft has served as Deputy Director of the On-Site Inspection Agency and Senior Advisor to the Defense Threat Reduction Agency. He served for three years as Executive Secretary of the U.S.-USSR Space Cooperation Agreement. He was U.S. Commissioner (Acting) for the ABM Treaty for two years. He has authored numerous journal articles and chapters in two books published by the United Nations.