Stephen Phinney, MD, PhD
Chief Medical Officer, Founder

Stephen Phinney is the Chief Medical Officer and Co-Founder of Virta Health, a specialty medical clinic that reverses type 2 diabetes safely and sustainably, without the risks, costs, or side effects of medications or surgery.

As a physician-scientist with 40 years of experience divided betweenin academic internal medicine and industry, he has studied nutritional biochemistry with a long-term focus on low carbohydrate research and its benefits for physical performance and insulin sensitivity. His career has emphasized the interaction between diet and exercise and their effects on obesity, body composition, physical performance, and cellular membrane structure.

A Professor of Medicine Emeritus at University of California, Davis, Dr. Phinney is an internationally recognized expert on obesity, carbohydrate-restricted diets, diet and performance, and essential fatty acid metabolism. He has held clinical faculty appointments at MIT and the Universities of Vermont, Minnesota, and California at Davis; and leadership positions at Monsanto, Galileo Laboratories, and Efficas.

Dr. Phinney's clinical experience includes inpatient and outpatient clinical nutrition, directing multidisciplinary weight management programs in three locations, and he has designed, completed, and published data from more than 20 clinical protocols involving diets, exercise, oxidative stress, and inflammation. His extensive experience in the design of clinical nutrition trials in both academic and industrial settings has led to more than 87 peer-reviewed papers and book chapters on clinical nutrition and biochemistry. He is the author of four books, including a New York Times Best Seller, and previously served on the editorial board of the American Journal of Clinical Nutrition.

Dr. Phinney holds a Doctorate in nutritional biochemistry and metabolism from the Massachusetts Institute of Technology, received his medical degree from Stanford University, and completed post-doctoral research at Harvard University.

About Us

Virta is an online specialty medical clinic that is on a mission to reverse type 2 diabetes in 100 million people. Learn how we are rethinking this epidemic.