Synthesis and Transport of Conducting Polymers, Carbon Nanotubes, Graphene & 2D Materials, Organic Crystals and Highly Correlated Materials

1980-2017 Assistant, Associate, and Full Professor, Seoul National University
1999- present Member of the Korea Academy of Science and Technology (KAST)
2002-2004/2011-2016 Director of Foreign Affairs, KAST
2003-2004 Vice president of the Korea Physical Society (Editor in Chief of the Current Applied Physics)
2006-2015 Director, The Korea-Sweden Carbon Based Nanostructure Research Center
2009-present Fellow, American Physics Society in Division of Condensed Matter Physics
2017-present Emeritus Professor, Department of Physics and Astronomy & PrincipalInvestigator, Institute of Applied Physics, Seoul National University
2018- present Adjunct Professor, Department of Physics and Astronomy, University of Pennsylvania, U. S. A.

1991 Korea Science Award in Physics, Science and Engineering Foundation (KOSEF) (Presidential Award)
2004 Grand Prize for the Nano Research Innovation, Korea
2004-present Foreign member of the Göteborg Royal Academy of Science and Arts, Sweden
2007 Selected as a top 50 excellent research works from the Korea Science and Engineering Foundation (KOSEF)
2007 Research Award from the College of Natural Sciences, Seoul National niversity