Ecosystem Production and Nutrient Cycling

1993~ Assistant Professor, Associate Professor, Professor, Korea University
1982 Passed Higher Civil Service Examination in Technology
1983~1987 Deputy Director of Forestry, Gyeonggi-Do
1991~1993 Assistant Research Professor, University of Maine
1999~2000 Visiting Scientist, Colorado State University
2002~2010 Associate Member, Korean Academy of Science and Technology
2008~2010 Member, Environment Conservation Advisory Committee, Ministry of Environment
2009~2010 Vice President, Ecological Society of Korea
2010~ Member, Forest Policy Advisory Committee, Korea Forest Service
2010~ Director, Global Carbon Project-Korea Office
2010~ Associate Editor, Soil Science Society of America Journal
2010~ Editor-in-chief, Journal of Korean Forest Society

1997 Excellent Research Award, Korean Forestry Society
2001 Excellent Research Award, Korea University
2001 Excellent Research Paper Award, Korean Federation of Science and Technology Societies
2005 Special Research Award, Korean Forest Society