Mordechai Melamud (Israel) is formerly a research physicist with a Ph.D. in experimental physics from the Weizmann Institute of Science (Rehovot, Israel) in 1976. Since 1967 Dr. Melamud was employed by the Israel Atomic Energy Commission (IAEC) at the Nuclear research Centre - Negev (NRCN), initially as a research associate in physics, and later as a senior scientist and a Group Leader in experimental physics. He lectured at the Ben-Gurion University (beer Sheva, Israel) and is co-author of more than a hundred publications in scientific journals, and two patents in non-destructive testing of steel cables by magnetic methods. Dr. Melamud's interest shifted since 1997 to safeguards and international treaties concerning nuclear disarmament, with special interest in their verification regime. since 1998 he was employed at the IAEC headquarters as deputy director for international relations and a special assistant to the Director General for the implementation of the Comprehensive Nuclear Test-Ban Treaty (CTBT). From 1998 to 2002 he was as a member and later the head of the delegation of Israel to the CTBTO policy making organs. In 2000, Dr. Melamud served as a member of The International Independent Commission on the Verifiability of the CTBT established by VERTIC. Since 2002 Dr. Melamud is serving as Chief of inspectors' Training in the On-Site Inspection Division of the Provisional Technical Secretariat of the CTBT Organization . He is in charge of developing and implementing the CTBT inspectorate buildup and inspectors' training program, and responsible for organizing and conducting courses and tabletop exercises for international audiences on the CTBT on-site inspection regime, in Vienna and other countries.