Dissolution rate and mechanism

Redox reactions of contaminants

Phase transformation of various (oxyhydr)oxides

Geochemical processes of toxic heavy metals

2001.6     Ph.D., Geological Sciences, Ohio State University, Columbus, OH, USA 
1993.2     M.Sc., Geology, Yonsei University, Seoul, Korea
1989.2     B.Sc., Geology, Yonsei University, Seoul, Korea

2005.03 - present   Assistant/Associate/Full Professor, Dept. of Earth System Sciences, Yonsei Univ.

2015.01 - present   Division Chair, Environment-Energy Division, Korean Chemical Society

2013.03 - 2015.02  Associate Dean, College of Science, Yonsei University

2013.01 - 2014.12  General Secretary, The Korean Society of Economic and Environmental Geology

2012.07 - 2012.08  Visiting Professor, School of Earth and Environmental Sciences, Chapman Univ., CA, USA

2012.05 - 2012.06  Visiting Scholar, EAWAG (Swiss Federal Institute of Aquatic Science & Technology), Switzerland

2011.07 - 2012.06  Visiting Scientist, Geoscience Group, Pacific Northwest National Laboratory, USA

2009.03 - 2011.02  Department Chair, Dept. of Earth System Science, Yonsei Univ.

2004.06 - 2005.01  Postdoctoral Staff II, Field Hydrology and Chemistry Group, Pacific Northwest National Laboratory

2001.10 - 2004.05  Postdoctoral Scholar, Environmental Science and Engineering, California Institute of Technology