Experiences
Postdoctoral Researcher: Material Research Laboratory, Ohio State University, USA (1986 ~ 1987).
Postdoctoral Researcher: LASSP, Cornell University, USA (1987 ~ 1989).
Professor: Department of Physics and Astronomy, Seoul National University, Korea (1989. 08 ~ 2022. 08).
Director: Center for Correlated Electron Systems, Institute for Basic Science, Seoul National University, Korea (2012 ~ 2023)
Emeritus Professor: Department of Physics and Astronomy, Seoul National University, Korea (2022. 09 ~ current).
President of KIAS: (2024 ~ current).
Other experiences
Visiting professor: LG central institute of technology (1997. 03 ~ 1998. 03).
Chair: Committee on Prizes & Awards, Korean Physical Society (2015 ~ 2016).
Council member: Association of Asian Pacific Physics Societies (2010 ~ 2013).
Director: Research Center for Oxide Electronics, Seoul National University (MEST) (2000. 10 ~ 2010. 04).
Director: Center for Functional Interfaces of Correlated Electron Systems, Institute for Basic Science, Seoul National University, Korea (2012. 08 ~ 2023. 12).
Director: Research Center for Functional Interfaces, Seoul National University (2010.05 ~ 2012. 07).
Editor-in-chief & Vice President: Current Applied Physics & Korean Physical Society (2009.01 ~ 2012).
Editorial Board member: Applied Physics Letter and Journal of Applied Physics (2011 ~ 2016).
Editorial Board member: APL Materials (2013 ~ 2017).
Editorial Board member: Material Research Letters (2013 ~ 2017).
Foreign Research Fellow Visiting Professor: Department of Advanced Materials Science, Graduate School of Frontier Sciences, University of Tokyo (2005. 03 ~ 2005. 07).
President : Korean Dielectrics Society (2017 ~ 2019).
Scientific Committee member: AAPPS Bulletin (2019 ~ Present).
President: Korean Physical Society (2021 ~ 2022).
Trustee: Asia Pacific Center for Theoretical Physics (APCTP) (2013 ~ 2016).