Currently, Dr. Rao is the Kerley-Cade Endowed Chair in Cancer Research, Distinguished Professor of Medicine, in Medical Oncology, and Director of the Center for Chemoprevention and Cancer Drug Development, PCS Oklahoma Cancer Center, at the University of Oklahoma Health Sciences Center (OUHSC) in Oklahoma City. Rao holds the appointments at the Graduate School (Professor) and Department of Pathology (adjunct Professor). Also, he is the Leader of the Aerodigestive tract Cancers/Chemoprevention Program (2004 to 2009) and Chairman of the Scientific Advisory Committee (2006-2009) at the PCS Oklahoma Cancer Center. Dr. Dr. Rao earned his M.S. (1983) and Ph.D. (1987) degrees in Microbiology from the Osmania University, Hyderabad, India. Dr. Rao joined the OUHSC 2004. Previously he held the Chief, Division of Nutritional Carcinogenesis and Leader of Chemoprevention Program at the American Health Foundation (AHF)-Cancer Center, an NCI-designated Cancer Center, Valhalla, New York. Dr. Rao joined AHF-Cancer Center in 1988 as a Senior Research Fellow and appointed in 1992 as a Member American Health Foundation Cancer Center (AHF-CC) and Section Head of the Division of Nutritional Carcinogenesis and by 2001, he came up through the ranks to become Division Chief, and Cancer Center Program Leader of Chemoprevention and Nutritional Carcinogenesis.