Professor (특임교수) at Hanyang University - ERICA, College of Engineering Sciences. COMET & ASMPT - non executive member of the Board of Directors.
Professor of Materials Science and Engineering at The Pennsylvania State University. Professor Emeritus at North Carolina State University.
Onicon, HVAC Division Vice President
Professor of Mechanical Engineering at Vanderbilt University. Deputy Director, Vanderbilt Institute of Nanoscale Science and Engineering.
Senior Research Scientist at NASA. USRA Fellow.