Umesh K. Mishra is a professor in the Electrical & Computer Engineering Department at the University of California, Santa Barbara (1990–Present). He is the CTO, co-founder and board member of Transphorm, founded in 2007 and the first company to deliver gallium nitride (GaN) transistor products for high efficiency power conversion technologies. Prior to Transphorm, he co-founded Nitres Inc. in 1996, which was the first company to develop GaN LEDs and transistors.

Full biography at https://en.wikipedia.org/wiki/Umesh_Mishra