Hadis Morkoc received his Ph.D. degree in Electrical Engineering from Cornell University. From 1978 to 1997 he was with the University of Illinois, then joined the newly established School of Engineering at the Virginia Commonwealth University in Richmond. He and his group have been responsible for a number of advancements in GaN and devices based on them. Professor Morkoc has authored several books and numerous book chapters and articles. He serves or has served as a consultant to some 20 major industrial laboratories. Professor Morkoc is, among others, a Fellow of the American Physical Society, the Material Research Society, and of the Optical Society of America.

Umit Ozgur is a research scientist in the Electrical Engineering Department at Virginia
Commonwealth University. He has received BS degrees in EE and physics from Bogazici
University, Turkey, and,in 2003, his Ph.D. degree from Duke University, where he has made many contributions to the understanding of ultrafast carrier dynamics in nitride heterostructures. Dr. Ozgur has authored over 50 scientific publications and several book chapters on growth, fabrication, and characterization of wide bandgap semiconductor materials and nanostructures based on group III-nitrides and ZnO. He is a member of the Institute of Electrical and Electronics Engineers and the American Physical Society.