Ray is Emeritus Professor of EE, having retired from UTA in August 2008 after serving 33 years in academia. He served as Director of the Power System Simulation Laboratory (PSSL) at the Energy Systems Research Center from 1989 to 2001. He served as Director of the Office of Sponsored Projects from 1991 through 1994 and as Associate Chairman of the Department of Electrical Engineering duringthe1994-95 academic year. He served as EE Department Chairman from 2001 through 2008. His areas of research interest include application of intelligent control concepts to Advanced Automatic Generation Control and Advanced Load Frequency Control methods, and development of Power System Simulation software.