The Science Advisory Board members provide ongoing cutting-edge counsel to update the education and lifestyle strategies we deliver to members. These experts play a pivotal role in the development of the nutritional and behavioral components of both the weight loss and maintenance phases of the program.

Jenny Craig Science Advisor Board - Pamela M. Peeke, M.D., MPH, FACP

Pamela M. Peeke, M.D., MPH, FACP

Dr. Peeke is chairman of the Jenny Craig Science Advisory Board, Pew Foundation Scholar in Nutrition and Metabolism, Assistant Clinical Professor at the University of Maryland, School of Medicine, and a Fellow of the American College of Physicians. She is an internationally recognized expert, physician, scientist and New York Times best-selling author in the fields of public health, nutrition, fitness and weight management.

Jenny Craig Science Advisor Board - Elizabeth Frates, M.D.

Elizabeth Frates, M.D.

Dr. Frates is an Assistant Director of Medical Education at the Institute of Lifestyle Medicine, Harvard-Spaulding Rehabilitation Hospital and faculty advisor for the Lifestyle Medicine Interest Group at Harvard. She is a certified Wellness Coach and co-author of the wellness coaching chapter in the Lifestyle Medicine textbook. Dr. Frates’ work merges her physiatry and coaching skills. As an example, she leads wellness groups for stroke survivors at the Spaulding Rehabilitation Hospital.

Jenny Craig Science Advisor Board - Frank Greenway, M.D.

Frank Greenway, M.D.

Dr. Greenway's area of research is in the treatment of obesity with an emphasis on pharmacological and nutriceutical interventions. He is Professor and Medical Director of the Pennington outpatient research clinic in Baton Rouge, Louisiana.

Jenny Craig Science Advisor Board - Abbie Gellman, MS, RD, CDN

Abbie Gellman, MS, RD, CDN

Chef Abbie Gellman, MS RD CDN is a spokesperson, recipe and product developer, and educator. She creates, produces, and hosts cooking and nutrition videos and works with a wide variety of food companies/brands/commodity boards, foodservice operators, health professionals, and private clients. She also contributes to many publications; her first cookbook, The Mediterranean DASH Diet, was published November 2019. Abbie lives in NYC with her daughter, Olivia, and many shelves of cookbooks. Learn more about her at

Members of our Science Advisory Board are recognized leaders in the fields of medicine, nutrition, exercise and the psychology of behavior change—all critical components of the Jenny Craig Program. Every component of our program—from the menus and materials to how we consult with our clients—is the result of a close working relationship between the board and our corporate program development team. This partnership enables us to integrate the latest academic research with decades of practical experience to provide you with the world's best weight management program.