WeightWatchers® Scientific Advisory Board

Here's a peek at the advisory board members' qualifications and accomplishments.
Published November 16, 2016

WW is a science-based behavior change company. To ensure our program is up-to-date based on the latest clinical evidence, we enlist highly-regarded experts to inform and advise our brand innovations.

Meet the WW Scientific Advisory Board:

Amy Ahern, PhD

Amy Ahern, PhD

Principal Research Associate and Program Leader in the MRC Epidemiology Unit at the University of Cambridge, UK

Dr. Ahern leads research developing and evaluating interventions to prevent and treat obesity, diabetes, and related metabolic disorders. Her focus is on translating understanding of the psychology of eating behavior and weight management into scalable cost-effective interventions that have sustained effects on behavior and improve mental and physical health. Dr. Ahern leads a portfolio of experimental, observational, and qualitative studies, including large randomized controlled trials with long-term follow up.

Prior to joining the University of Cambridge, Dr. Ahern received her PhD in Psychology from the University of Liverpool in 2008 and completed postdoctoral research at the Centre for Research on Eating Disorders at the University of Oxford and the MRC Human Nutrition Research Unit.


Cheryl A.M. Anderson, PhD, MPH, MSCheryl A.M. Anderson, PhD, MPH, MS

Professor and Interim Chair of the Department of Family Medicine and Public Health at the University of California San Diego School of Medicine, with a primary appointment in the Division of Preventive Medicine and a joint appointment in the Department of Medicine Division of Nephrology and Hypertension

Dr. Anderson serves as Director of UC San Diego Center of Excellence in Health Behavior Change and Equity. She received her MPH in health behavior and health education from the University of North Carolina at Chapel Hill School of Public Health, and MS in epidemiology and PhD in nutrition science from the University of Washington at Seattle School of Public Health and Community Medicine. Her research is focused on the role of nutrition in chronic disease prevention. Dr. Anderson has served on the Pan American Health Organization’s Technical Advisory Group on Cardiovascular Disease Prevention through Dietary Salt Reduction, the National Academies of Medicine’s Food and Nutrition Board, and the 2015 US Dietary Guidelines Advisory Committee. Currently, she serves on the editorial board of Circulation. Dr. Anderson was elected to the U.S. National Academy of Medicine in 2016.


Gary G. Bennett, PhD

Gary G. Bennett, PhD

Bishop-MacDermott Family Professor of Psychology Neuroscience, Global Health and Medicine at Duke University

Dr. Bennett directs the Duke Global Digital Health Science Center. Dr. Bennett is also President of the Society of Behavioral Medicine. His research program designs, tests, and disseminates digital obesity treatments, including the interactive obesity treatment approach (iOTA). His recent work demonstrates the effectiveness of coach-led, digital obesity treatments. He has authored more than 125 scientific papers and his research program has been continuously supported by the National Institutes of Health. Prior to joining Duke in 2009, Dr. Bennett served on the faculties of the Harvard School of Public Health and the Dana-Farber Cancer Institute. At Duke, Dr. Bennett is a member of Duke's Bass Society of Fellows, is the founding director of Duke's undergraduate major in global health, and has been repeatedly recognized as in the top 5 percent of Duke's undergraduate instructors. He also co-founded two digital health startups: Crimson Health Solutions (acquired by Health Dialog in 2007) and Scale Down (acquired by Anthem in 2017). 


Ania M. Jastreboff, MD, PhD

Ania M. Jastreboff, MD, PhD

Associate Professor of Medicine & Pediatrics (Endocrinology & Pediatric Endocrinology) at Yale University School of Medicine, Director of the Yale Obesity Research Program (Y-Weight), and Co-Director of the Yale Center for Weight Management

Dr. Jastreboff is a med/peds endocrinologist and obesity medicine physician-scientist who specializes in sophisticated use of anti-obesity medication. Dr. Jastreboff conducts clinical translational research, which includes both large multi-center clinical outcomes trials using anti-obesity medication, as well as studies examining the mechanisms of anti-obesity medications.


Robert Kushner, MD, MS

Robert Kushner, MD, MS

Professor of Medicine at Northwestern University Feinberg School of Medicine, Clinical Director of the Northwestern Comprehensive Center on Obesity, and Director for the Center for Lifestyle Medicine in Chicago

Dr. Kushner’s principal research is in patient-health provider communication and lifestyle treatment of obesity. He has also investigated pharmacological and surgical interventions for obesity.