Professional Experiments
- 2006 - now : Principal Researcher
- Galaxy Evolution Research Group, Optical Astronomy Division (2014.6.- )
- Advanced Astronomy and Space Science Division (2012.6.-2014.5)
- Optical Astronomy Research Center, Optical Astronomy Division (2011.6.- 2012.5.)
- International Center for Astrophysics (2006.1.-2011.5.)
- 2014.07 - 2016.07 : Visiting Scholar, Princeton University
- 2008 - 2011.5 : Group Head, Astrophysics Group, International Center for Astrophysics, KASI
- 2001 - 2005 : Senior Researcher, Space Science Payload Group, KASI
- 2000 : Research Associate, Space Science Payload Group, KASI
- 1997 : Visiting Postdoctoral Fellow, Space Science Laboratory, University of California, Berkeley
- 1996 - 1999 : Senior Researcher, Satellite Technology Research Center, KAIST
Teaching
- 2011 - : Campus Representative Professor, University of Science and Technology (UST)
- 2004 - : Professor, Astronomy and Space Science Major, UST
- 2004 - 2007: Adjunct Associate Professor, Department of Physics, KAIST
Space Projects
- 2007 - : Multi-purpose Infra-Red Imaging System (MIRIS), Science for Paα emission. (Warm-Ionized Medium/Diffuse Ionized Gas)
- 1998 - 2005: Far-ultraviolet IMaging Spectrograph (FIMS)
Education