Dr. Chadha graduated from University of Guelph, Guelph, Ontario, Canada and completed his postdoctoral work as a fellow of National Research Council of Canada. He came to Roswell Park as Assistant Professor of Oncology in 1972 and later was promoted to Associate Professor of Oncology. He also holds a joint appointment as Research Assistant Professor in the Department of Medicine, the School of Medicine, State University of New York at Buffalo. His research interests are largely in the area of Interferons & Other Cytokines and role of Prostate Specific Antigen (PSA) in prostate cancer. Dr. Chadha has authored and co-authored more than 120 journal articles, several reviews and book chapters. He has also edited a book on Interferons and has four US Patents. He has also participated in several national and international meetings as an invited speaker.