Robert Kushner is a Professor of Medicine at Northwestern University Feinberg School of Medicine, and Director of the Center for Lifestyle Medicine in Chicago, IL. After finishing a residency in Internal Medicine at Northwestern University, he went on to complete a post-graduate fellowship in Clinical Nutrition and earned a Master’s degree in Clinical Nutrition and Nutritional Biology from the University of Chicago. Dr. Kushner is a past-President of The Obesity Society (TOS), the American Society for Paternal and Enteral Nutrition (ASPEN), the American Board of Physician Nutrition Specialist (ABPNS), past-Chair of the American Board of Obesity Medicine (ABOM), and the Co-Editor of Current Obesity Reports. Dr. Kushner has authored over 215 original articles, reviews, books and book chapters covering medical nutrition, medical nutrition education, and obesity, and is an internationally recognized expert on the care of patients who are overweight or obese. Current books include Practical Manual of Clinical Obesity (Wiley-Blackwell, 2013), Treatment of the Obese Patient, 2nd Edition (Springer, 2014), Nutrition and Bariatric Surgery (CRC Press, 2015), Lifestyle Medicine: A Manual For Clinical Practice (Springer, 2016), and Obesity Medicine, Medical Clinics of North America (Elsevier, 2018).