Dr. Langley is head of Technical Services Group within the Planning, Performance and Engineering Division of the United Kingdom Atomic Energy Authority (UKAEA). Dr. Langley obtained a PhD in physical chemistry from Queen's University, Belfast and has worked in universities and industry both in the UK and Australia, until joining the UKAEA in 1978. He has managed a broad range of projects on renewable energy technologies and nuclear fuel processing, including strategic studies. Since 1990 he has been involved in various capacities with managing the decommissioning program at Harwell and other UKAEA sites.