Education		Ph.D. in Astronomy, The University of Texas at Austin, 1995 M.A. in Astronomy, The University of Texas at Austin, 1990 B.S. in Physics, Seoul National University, 1988
Research		2007-		Principal Researcher International Center for Astrophysics Korea Astronomy and Space Science Institute
		2005-2006		Senior Researcher International Center for Astrophysics Korea Astronomy and Space Science Institute
		2003-2005		Senior Researcher Taeduk Radio Astronomy Observatory Korea Astronomy and Space Science Institute
		1999-2003		Assistant Research Fellow Institute of Astronomy and Astrophysics, Academia Sinica
		1997-1999		Research Associate Department of Astronomy, University of Maryland
		1995-1997		Postdoctoral Fellow Institute of Astronomy and Astrophysics, Academia Sinica
		1991-1995		Research/Teaching Assistant Department of Astronomy, The University of Texas at Austin
		1990-1991		Second Lieutenant Korea Army Academy at Young-Cheon, Republic of Korea Army
		1988-1990		Teaching Assistant Department of Astronomy, The University of Texas at Austin
Teaching		2009-		Professor in Charge Astronomy and Space Science Major University of Science and Technology
		2009-		Campus Representative Professor Korea Astronomy and Space Science Institute University of Science and Technology
		2008-		Professor Astronomy and Space Science Major University of Science and Technology