Matjaz Prah is the Coordinator of the On-Site Inspection (OSI) Division, CTBTO.
Prah has spent nearly 20 years in the field of nuclear safety and security. He was Licensing Manager at the Krško Nuclear Power Plant in Slovenia and later Director General of the Croatian National Nuclear Safety and Security Regulatory Body from 2005 to 2008. He was also Chairman of the National Authority for implementation of the CTBT in the Republic of Croatia. On several occasions, Prah served as Head of the Delegation of the Republic of Croatia, participating in International Atomic Energy Agency General Conferences as well as in CTBTO Preparatory Commission meetings and CTBTO Working Group meetings concerned with the examination of verification-related issues.
He has led and participated in a number of nuclear safety and security international and regional activities and has cooperated with various scientific institutions. Prah has also authored numerous papers in the areas of nuclear non-proliferation, illicit trafficking of nuclear material, nuclear regulatory legislation and nuclear safety and nuclear reactor systems. He joined the OSI Division at the CTBTO in 2009, where he has been involved in building up the operational readiness of the OSI verification regime element.