Mar 2024 - present :  Professor, Department of Physics and Astronomy, Sejong University

Mar 2018 - Feb 2024 : Associate Professor, Department of Physics and Astronomy, Sejong University

Mar 2014 - Feb 2018 : Assistant Professor, Department of Physics and Astronomy, Sejong University

Sep 12 - Feb 14 : Research Associate, CEA Saclay, France

Sep 08 - Aug 12 : Postdoctoral Research Fellow,  Korea Institute for Advanced Study, Korea

Aug 2008 : Ph.D. in Astrophysics, University of Pennsylvania, PA, USA

Dec 2004 : M.Sc. in Physics, University of Pittsburgh, PA, USA