Cyrus Khambatta, PhD is the New York Times bestselling co-author of Mastering Diabetes, and has helped more than 10,000 people reverse the underlying cause of insulin resistance. He earned a Bachelor of Science in Mechanical Engineering from Stanford University in 2003, as well as a PhD in Nutritional Biochemistry from the University of California at Berkeley in 2012.

He is an expert in both type 1 and 2 diabetes, has been living with type 1 diabetes since 2002, and has reduced his insulin use by more than 40% using a food-first approach. In 2022, Mastering Diabetes was acquired by the health and wellness company Love.Life, to complement its medically supervised offerings with coaching services that combat various chronic health conditions.