Andrew D. Koehler

Andrew D. Koehler received the B.S., M.S., and Ph.D. degrees in electrical engineering from the University of Florida in 2004, 2006, and 2011, respectively. He is an Electronics Engineering Civilian Research Scientist with the U.S. Naval Research Laboratory (NRL), Washington, DC, USA. In 2012, he joined the High Power Electronics Branch, Electronic Science and Technology Division, NRL. The focus of his current research includes power device design, fabrication, characterization, radiation effects on GaN high electron mobility transistors (HEMTs), thermal management of high power GaN HEMTs, graphene base hot electron transistors for THz applications, vertical GaN power devices, and device failure mechanisms and physics.