Aug. 2022 – Present
Distinguished Professor, College of Information & Communication Engineering, SKKU
Sep. 2007 – Aug. 2022
Professor with SKKU Fellowship, College of Information & Communication Engineering, SKKU
Sep. 2006 – Aug. 2007
Professor with Tenure, School of Engineering Science, Simon Fraser University, Canada
Sep. 2002 – Aug. 2006
Associate Professor with Tenure, School of Engineering Science, Simon Fraser University, Canada
Oct. 1997 – Aug. 2002
Associate Professor, Dept. of Electrical and Computer Eng., University of Seoul, Korea
Mar. 1997 – Feb. 1999
Department Chair (elected by faculty), Dept. of Electrical and Computer Eng., University of Seoul, Korea
Apr. 1991 – Sep. 1997
Assistant Professor, Dept. of Electrical and Computer Eng., University of Seoul, Korea
Sep. 1988 – Dec. 1990
Research Assistant, Communication Sciences Institute, Dept. of Electrical Engineering-Systems, University of Southern California, USA
Nov. 1984 – Dec. 1985
Researcher, Korea Telecom Research Laboratories, Seoul, Korea
