Stephan J. Guyenet, Ph.D.

Author of The Hungry Brain. Founder and director of Red Pen Reviews.

Stephan J. Guyenet, Ph.D. is an obesity researcher and health writer whose work ties together neuroscience, physiology, evolutionary biology, and nutrition to offer explanations and solutions for our global weight problem. He received a B.S. in biochemistry at the University of Virginia and a Ph.D. in neurobiology at the University of Washington. He is the author of the popular health website, Whole Health Source, and is a frequent speaker on topics of obesity, metabolism, and nutrition.