B.A. in Physics, Korea University; PhD Program Completed in Economics, University of Chicago. Formerly: Invited CEO Professor, Techno-Economics & Policy Program, Seoul National University; Business Development Manager, Metra; CEO, SK Corporation; CEO, SK Energy. Since 1998, current positions. Member: Federation of Korean Idustries; Brookings Institution International Advisory Council. 1999, Global Leader for Tomorrow, World Economic Forum. 2002, Co-Chair, East Asia Economic Summit, World Economic Forum.