Chris Kresser LLC is the health education company built around Chris Kresser, M.S., L.Ac., whose work grew from a personal struggle with chronic illness into a 15-year career in Functional Medicine. Chris is a New York Times bestselling author who co-founded the California Center for Functional Medicine and later established the Kresser Institute to train health professionals in his approach to chronic disease care. The company shares research-based health guidance for practitioners, coaches, and people working to improve their own health.