- Ph.D., Seoul National University, Seoul, Korea (March 1997 – February 2002 )
- Postdoctoral Associate at Department of Chemical Engineering, Massachusetts Institute of Technology,Cambridge, MA, USA, (September 2002 – July 2004)
- Assistant Professor at Department of Chemistry & Nano Science, Ewha Womans University,Seoul, Korea, (July 2004 – February 2009)
- Professor at Graduate School of Convergence Science and Technology, Seoul National University, Korea, (March 2009 – Present)
