Dr. Mohd Abd Wahab bin Yusof is currently a Director at Division of Waste and Environmental Technology of Malaysian Nuclear Agency since October 2012. Dr Mohd Abd Wahab has more than 32 years working experience in radiation safety and radioactive waste management. Formerly, he was the Director of Assessment & Licensing Division and Director of Enforcement Division of the Atomic Energy Licensing Board (AELB). While working at AELB he was involved in both policy development and operation matters. At present his position is the Director of Waste and Environmental Technology Division at Malaysian Nuclear Agency. His areas of responsibility include developing policies, technical guidelines and standards, research and development (R&D) especially in radiation safety, radioactive waste management, NORM (Naturally Occurring Radioactive Materials) and other nuclear related technologies. Safe disposal of radioactive waste is one of his major research activities and he is one of the leading experts on borehole disposal concept of disused sealed radioactive sources.