Executive Director

Nina Teicholz


Nina Teicholz is a science journalist, author, and Executive Director of The Nutrition Coalition, a non-profit group that promotes evidence-based nutrition policy. As a well-known, published expert on nutrition policy, she has presented testimony to both the Canadian Senate and the U.S. Department of Agriculture, and she lectures internationally on a variety of topics. Ms. Teicholz has been widely recognized for changing the conversation on dietary fat and particularly saturated fat, following publication of her international bestseller, The Big Fat Surprise, which was named a "best book" of the year by The Economist, The Wall Street JournalForbesMother Jones, and Library Journal as well a finalist for the Investigative Reporters and Editors annual book award. Her book received favorable reviews from The LancetThe BMJ, and the American Journal of Clinical Nutrition, among many other publications. Ms. Teicholz's work has appeared in The Independent, The BMJThe New York TimesThe Wall Street JournalThe AtlanticThe Los Angeles Times, and The New Yorker, among others. She attended Yale and Stanford where she studied biology and majored in American Studies. She earned a master’s degree from Oxford University and served as associate director of the Center for Globalization and Sustainable Development at Columbia University. She began her career as an on-air reporter for National Public Radio based in Washington, D.C. and as a foreign correspondent in Latin America. Originally from Berkeley, CA and a former vegetarian of 25+ years, Ms. Teicholz now lives in New York City with her husband and two sons.

Director, Scientific Council

Dr. Sarah Hallberg


Dr. Sarah Hallberg is the Medical Director and founder of the Medically Supervised Weight Loss Program at Indiana University Health. The program focuses on improving weight and metabolic diseases such as diabetes through low carbohydrate dietary interventions. She is a Diplomate of the American Board of Internal Medicine, American Board of Obesity Medicine and the American Board of Clinical Lipidology. She holds a leadership position within the National Lipid Association and is a lecturer for the Obesity Medicine Association. Dr. Hallberg created and now directs the non-surgical weight loss rotation for the Indiana University School of Medicine where she is an Adjunct Clinical Professor of Medicine. She has a Master’s degree in Exercise Physiology and is an ACSM Registered Clinical Exercise Physiologist. Dr. Hallberg is serving as the PI for a large ongoing study examining nutritional ketosis as a treatment for type 2 diabetes and metabolic syndrome.