Priyantha has over 30 years of professional experience including 14 years in ADB. He was the Director, South Asia Energy Division prior to assuming the current position in August 2021. Before joining ADB, he served as the founder Director General of the Public Utilities Commission of Sri Lanka and a Senior Professor of Electrical Engineering at the University of Moratuwa. He has extensively contributed in the areas of energy policy and regulation, energy planning and clean energy development. Priyantha holds a Doctorate in Power Systems Economics from the Imperial College London had been a regular Academic Visitor at Imperial College London during the period 1993-1998. He was the Chairman of the South Asia Forum for Infrastructure Regulators (SAFIR) in 2006/07 and was also a member of the Board of Directors of the Ceylon Electricity Board and Sri Lanka Sustainable Energy Authority. He was an Advisory Board member of the Melbourne Energy Institute at the University of Melbourne during 2016-2019.