<Professional Experiences> 2017.2-2018.2: The dean of the Department of Molecular Biology, College of Natural Sciences, Pusan National University. 2013.12-2014.2: Visiting scholar. University of California, Berkeley, CA, United States. 2009.3-2013.2: Committee member. Faculty Council of Pusan National University. 2005.4-2007.2: The dean of the Department of Molecular Biology, College of Natural Sciences, Pusan National University. 2003.3-now: assistant professor, associate professor, professor. Department of Molecular Biology, College of Natural Sciences, Pusan National University. 1999.7-2003.2: Postdoctoral fellow. Dept. of Plant and Microbial Biology, University of California, Berkeley, United States. 1997.3-1999.2: Postdoctoral fellow. Department of Life Science, POSTECH, Pohang, South Korea. <Education> Ph.D. Department of Biology, Seoul National University, Seoul, Korea. M.Sc. Department of Biology, Seoul National University, Seoul, Korea, February 1992. B.S. Department of Botany, Seoul National University, Seoul, Korea, February 1990