PROFESSIONAL EXPERIENCES
Associate Professor through Assistant professor, Department of Industrial and Management Systems Engineering, College of Engineering, Kyung Hee University, Republic of Korea, September 2005 - present.

Visiting Scholar, Department of Industrial Engineering and Management Sciences, Northwestern University, Evanston, IL, USA, August 2008 - September 2008.

Post-Doctoral Research Fellow, Department of Industrial Engineering, Texas A&M University, College Station, TX, September 2004 - August 2005.

Graduate Student Research Assistant, Department of Industrial Engineering, Texas A&M University, College Station, TX, June 1999 - August 2004.

Samsung Data System (SDS), Seoul, Rep. of Korea, July 1994.
Software development for salary management.
Software development for storage and delivery management in warehouse.