BA in Physics, Korea University; PhD Program Completed in Economics, University of Chicago. Formerly: Business Development Manager, Metra; CEO & Representative Director, SK Corporation; Chairman & CEO, SK Energy. Since 2007, current position. Since 2011, Chairman, SK Innovation. Since 2012, Chairman, SK Hynix. 1999, Global Leaders for Tomorrow, WEF. 2002, Co-Chair, East Asia Economic Summit, WEF. 2002, Invited CEO Professor, Techno-Economics and Policy Program, Seoul National University. 2008, Director of the Board, UNGC. 2010, Member of the advisory board of RAND CPP, Member of Brookings ICA.