Formerly, he was a professor at the Korea Advanced Institute of Science and Technology (KAIST). He is a member of the Presidential National Competitiveness Council, Prime Minister's International Development Cooperation Committee, FTA Advisory Committee of the Ministry of Foreign Affairs and Trade, and Free Economic Zone Committee of the Ministry of Knowledge Economy.  Dr. Hyun served as Chairman of NPSO (the Non-governmental Public Serving Organization) Evaluation Board.  He has been President of the Institute for International Trade, Korea International Trade Association and a member of the Presidential Commission on Policy Planning.

Dr. Hyun has extensive experience in policy making and research in the public sector, a unique career path for a government servant in Korea.  He formerly served as Deputy Minister of the Ministry of Finance and Economy and Special Advisor to Deputy Prime Minister and Minister of Finance and Economy.  He contributed in formulating and coordinating the national agenda, working as Secretary for Economic Affairs of the Office of the President and Director-General of the National Economic Advisory Council.  He also served as Director-General of Bureau of Economic Policy and Bureau of Treasury of the Ministry of Finance and Economy.

Dr. Hyun successfully managed the administration of the ASEM III (Third Asia Europe Meeting) in Seoul as Executive Director.  He also worked as an economist at the World Bank and served as Dean of the National Tax College.  He also served as a professor at the Korea Advanced Institute of Science and Technology (KAIST).  He has a Ph.D. in Economics from the University of Pennsylvania.

Dr. Hyun has authored several economic papers on macroeconomics, trade policy, industrial policy, structural reform and social development, including Foreign Economic Policy of Korea’s New Administration (2008), Private Sector Support for Comprehensive, Balanced Development Strategies: Korean Experience, National Visions Matter: Lessons of Success (2005) and the Role of Government in Economic Development, Economic Development and Economic Crisis Management in Korea (2004).