Micaela Karlsen
Sr. Director, Research, American College of Lifestyle Medicine
Micaela Karlsen, PhD, MSPH, serves as Sr. Director of Research at the American College of Lifestyle Medicine. She is also Adjunct Faculty for the Tufts Friedman School of Nutrition Science and Policy and the University of New England Master’ Programs in Applied Nutrition and Global Public Health. Dr. Karlsen is the author of A Plant-Based Life and a contributor to the New York Times bestseller Forks Over Knives: The Plant-Based Way to Health. Her expertise is in lifestyle medicine interventions and implementation, dietary patterns, plant-based nutrition and nutritional adequacy, and predictors of successful behavior change. She holds a PhD in Nutritional Epidemiology from the Tufts Friedman School of Nutrition Science and Policy and a Masters degree in Human Nutrition from the Johns Hopkins School of Public Health.
Blogs from Micaela Karlsen
Survey reveals how lifestyle medicine clinicians safely taper glucose lowering drugs in type 2 diabetes
Lifestyle interventions can improve glycemic control in patients with type 2 diabetes, allowing clinicians to deprescribe medications using recommended guidelines.
Blog provider: Sage Perspectives

Micaela Karlsen
July 20, 2026
July 20, 2026
