Valley Research was founded in 1993 by Dr. Paul C. Norwood. Dr. Norwood is a board certified in internal medicine and endocrinology. He completed his medical training at the University of California, Irvine and the University of California, Davis. He has published numerous scientific articles in peer reviewed journals on the subject of diabetes, erectile dysfunction and infectious disease immunizations. Since completing his first clinical study, Dr. Norwood has served as the Principal Investigator on over 200 clinical trials.