Profile  Major Research Areas     1975. 3. 1 - 1979. 2. 24 BS, Department of Mechanical Engineering, College of Engineering, Seoul National University, Seoul, Korea 1979. 3. 1 - 1981. 2. 24 MS, Department of Mechanics and Design, College of Engineering, Seoul National University, Seoul, Korea   (Thesis) Computer simulation of a hydraulic control system   (Advisor) Prof. Kyo Il Lee 1982. 9 - 1988. 6. 28 Ph.D, Department of Mechanical Engineering, Design Division, Stanford University, Stanford, California, USA   (Thesis) Paraplegic standing induced by functional neuromuscular stimulation: computer model, control-system design, and simulation studies   (Advisor) Prof. Felix E. Zajac 2007. 11 - present President The Korean Society of Biomechanics 2007. 1. 1 - 2008. 12. 31 President The Korean Functional Electrical Stimulation Society 2001. 3. 1 - present Professor Department of Biomedical Engineering, College of Electronics and Information, Kyung Hee University 2000. 1. 1 - 2008. 12. 31 Chair International Cooperation Committee, The Korean Society Society of Medical and Biological Engineering 1998. 1. 1 - 1999. 12. 31 Chair Education Committee, The Korean Society of Medical and Biological Engineering 1996. 9. 1 - 1998. 2. 28 Visiting Professor Biomedical Engineering Research Center, Kyoto University, Kyoto, Japan 1990. 3. 1 - 2001. 2. 28 Assistant Professor, Associate Professor, Professor Department of Biomedical Engineering, Konkuk University, Choongju-si, Korea 1988. 8. 23 - 1989. 12. 31 Assistant Professor Department of Mechanical Engineering, The University of Wisconsin - Milwaukee, Milwaukee, WI, USA 1982. 6 - 1988. 6 Research Assistant Department of Mechanical Engineering, Design Division, Stanford University, Stanford, California, USA Volunteer Researcher Rehabilitation Research & Development Center, Palo Alto Veterans Affairs Medical Center, Palo Alto, CA, USA