Charles Nguyen, M.D., medical director of the Lorphen Medical Weight Loss Clinic in Riverside, CA, is co-author with Tu Song-Anh Nguyen and Mary Ann Marshall of The Thinsulin Program (Da Capo Press, 2016). The book discusses the breakthrough discovery by Drs Nguyen and Nguyen of the connection between insulin levels and weight loss, which for nearly 2 decades has helped thousands of patients lose weight and keep it off. Charles earned his M.D. from the University of California at Irvine, where he completed his psychiatry residency training and, as a faculty member, won excellence in teaching awards for seven consecutive years. He also won the Thomas F. Riley Community Service Award, the NAMI Bridge Builder Award, and the 2010 Orange County Physicians of Excellence Award. The same year, Orange Coast Magazine recognized him as best physician.