Graduated from University of Ljubljana, Mechanical engineering, made his Master on Heat and Mass transfer at Oregon State University . Director of Slovenian Nuclear Safety Administration for 13 years. Member of four Operational Safety Assessment Teams - OSART from 1991 to 1998. Head of Slovenian Delegation to Several IAEA General Conferences and to several Diplomatic Conferences in Nuclear field. Governor of Slovenia to the IAEA Board of Governors 1997/1998 and its Chairman 1998/1999. Head of Slovenian Delegation to the First Review Meeting of the Parties to the Convention on Nuclear Safety, 1999 . Chairman of the Committee of the Whole, IAEA General Conference 2000, Member of Slovenian delegation to the 2000 NPT Review Conference, New York, Chairman of the Working Group and Expert Group to Explore Whether there is a need to Amend the Convention on Physical Protection of Nuclear Material, 2000/2001, IAEA, Vienna . President of the Second Review Meeting of the Parties to the Convention on Nuclear Safety, 2002, Vienna. Director of BOMVIC (Baghdad Ongoing Monitoring Verification and Inspection Centre), UNMOVIC, 2002/2003. Since May 2005 he is responsible for the area of prevention in the Office of Nuclear Security, Department pf Nuclear Safety and Security, International Atomic Energy Agency, Vienna.