Professor, Ewha Womans University (Mar. 2010 - Current)
Vice President, Office of Information and Communications, Ewha Womans University (Feb. 2023 - Current)
Acting Vice President, Office of Admissions, Ewha Womans University (Nov. 2016- Mar. 2017)
Associate Vice President, Office of Admissions, Ewha Womans University (Feb. 2015- Mar. 2017)
Chair of Department of Electronic and Electrical Engineering, Ewha Womans University (Feb. 2021 - Jan. 2023)
Researcher, The Alan Turing Institute, UK (Feb. 2020 - Jan. 2021)
Academic Visitor, The University of Cambridge, UK (Feb. 2020 - Jan. 2021)
Senior Member of IEEE
Post-doctoral Researcher, École Polytechnique Fédérale de Lausanne (EPFL), Switzerland. (Apr. 2009 - Feb. 2010)
Intern Researcher, IBM T. J. Watson Research Center, US. (Jul. 2008 - Oct. 2008)