BSc in Power Engineering, Technical University of Istanbul; MSc and PhD in Energy Economics, Technical University, Vienna. Formerly, with OPEC. Since 1995, with International Energy Agency (IEA); since September 2015, Executive Director. Has led the IEA to undertake its first comprehensive modernization programme since its creation in 1974. Prior to becoming Executive Director, 20 years as an IEA staff member, serving most recently as Chief Economist. Has been named by Forbes Magazine as one of the most influential people in world energy and recognized by the Financial Times as energy personality of the year. Founded and chairs the IEA Energy Business Council, one of the most active industry advisory groups. Also chairs the World Economic Forum’s Energy Advisory Board and serves on the UN Secretary-General’s Advisory Board on Sustainable Energy for All.