Permanent Fellow, Korean Academy of Science and Technology, Publication and Information Director, Korea Academy of Science and Technology), Organizing Committee Member, Int. Conf./NEW3SC on High-Temperature Superconductivity, Professor of Physics, Pohang University of Science and Technology, Korea, Visiting professor at the Invitation of Nobel Laureate, Prof. R. B. Laughlin, Member, Korean Academy of Science and Technology, Board of Trustee Member, Korea Advanced Institute of
Science and Technology, Visiting Professor, Korea Institute of Advanced Studies, Director, Center for Theoretical Physics, Pohang Univ. of Science.
and Technology
9. 2003 : Co-chair, International Conf.(MEW3SC) on High Tc Superconductors