Lee is Distinguished Research Fellow, Institute of Information Science, Academia Sinica, Taiwan, (7/1998- ), and was Director of IIS (1998-08), and President of National Chung-Hsing University (2011/8-2015/7). He is also Distinguished Research Chair Professor of computer science, National Taiwan University, and Chair Professor, National Taiwan Tech and National Chung-Hsing University. He was Professor of computer science, Northwestern University (1978-98) and was Program Director, CISE, National Science Foundation (1989-90). He is editor of Algorithmica, Int'l J. Information and Computer Security; Co-Editor-in-Chief, Int’l J. Computational Geometry and Applications; and editor, Lecture Notes Series on Computing, World Scientific Publishing Co., Singapore. He is Fellow of IEEE and ACM; Academician, Academia Sinica, Taiwan, recipient of the Humboldt Research Award, Germany, and Distinguished Educator Award & Illini Comeback Guest Award, University of Illinois, Urbana-Champaign, IL, USA.