He has filled important following posts successively.

• Ambassador, Permanent Mission of Japan to the International Organizations in Vienna (Austria)
• Governor, Board of Governors International Atomic Energy Agency
• Ambassador in charge of Korean Peninsula Energy Development Organization (KEDO)
• Ambassador, Embassy of Japan in New Zealand

　Graduated from Tokyo University, Faculty of law. He has experience studying aboard in Princeston University.

　After graduating from Graduate School of Engineering (Aeronautics and Astronautics), the University of Tokyo in 1986, he has been engaged mainly in promotion of nuclear energy policy and safety regulation at Science and Technology Agency (Present Ministry of Education, Culture, Sports, Science and Technology (MEXT). He had also worked at IAEA and Ibaraki Prefecture Government. He now also serves as Visiting Associate Professor at Department of Nuclear Engineering and Management, Graduate School of Engineering, the University of Tokyo.

　After graduating from Graduate School of Technology (Applied Physics), Tokyo University of Agriculture and Technology in 1979, he has been engaged mainly in management of nuclear nonproliferation measures and Safeguards technologies of nuclear materials and facilities. He now also serves as Visiting Associate Professor at Department of Nuclear Engineering and Management, Graduate School of Engineering, the University of Tokyo.

　After graduating from Kyoto University Graduate School of Law, he taught at Okayama University Faculty of Law as associate and then full professor. Since 1999, he has been professor of international law at the Graduate School of Law, Kyoto University. Professor Asada has also served as Senior Associate at St. Antony's College, Oxford, legal advisor to the Japanese Delegation to the Conference on Disarmament, special assistant to the Science and Technology Agency, member of the Atomic Energy Commission's International Regulation Committee, Industrial Structure Advisory Council's Subcommittee on Security and Trade Control of, METI, and the UN Secretary-General's on Panel on Verification.

　Mr. John Kerr is currently a Foreign Affairs Specialist in the Office of Global Security Engagement and Cooperation, U.S. Department of Energy, National Nuclear Security Administration (DOE/NNSA). He is the Federal Program Manager for bilateral safeguards cooperation agreements with number of countries as well as for training course conducted jointly with IAEA. He has worked at the DOE/NNSA over ten years, and has been engaged in nuclear material protection, control and accounting; physical security; training; international cooperation; federal budget activities; and program management. Mr. Kerr holds an M.S. degree from Johns Hopkins University.

　Ms. Doris Ellis is Director of the International Security Center at Sandia National Laboratories, Albuquerque, New Mexico. She has responsibility for Sandia's International Security Programs encompassing nonproliferation and nuclear materials control; arms control analysis; the Cooperative Monitoring Centers; collaborations with more than 100 countries in various training, confidence building and monitoring activities and so on.

　He is responsible for policy development and external relation for safeguards implementation. One of his interests is development of nonproliferation policy in the view point of technical sides. He was a visiting research scholar at the Sandia National Lab./University of New Mexico in 2002. Dr. Yoon earned his Ph.D. in Chemical Engineering from the University of Missouri.

　After earning a bachelor's degree in Chemical Engineering at Akita University, Mr. Masato Hori joined PNC (former organization of JAEA) in 1984 in charge of development of safeguards system for gas centrifuge enrichment facility.

　He served as special assistant on nuclear energy in Ministry of Foreign Affairs and Japanese Embassy in Washington D.C. from 1989 to 1993 in charge of nuclear nonproliferation and IAEA safeguards issues.

　He returned to PNC in 1993 and was in charge of development of Molecular Laser Isotope Separation (MLIS). Mr. Hori was one of the first members of PNC's Tokai Safeguards Office when it was founded in 1995. Since then, he has been in charge of safeguards and nuclear nonproliferation R&D activities.