International Conference on Nutrition in Medicine 2018 - Speakers

The Physicians Committee

Speakers at ICNM 2018 Nutrition in Medicine Conference


Dan BuettnerDan Buettner
Dan Buettner is an explorer, National Geographic Fellow, award-winning journalist and producer, and New York Times best-selling author. He discovered the five places in the world – dubbed Blue Zones™ – where people live the longest, healthiest lives. His articles about these places in The New York Times Magazine and National Geographic are two of the most popular for both publications. His newest book, Blue Zones of Happiness: Lessons From The World's Happiest People, reveals the surprising secrets of the world's happiest places—and shows how we can all apply the lessons of true happiness to our lives.

Kathy FrestonKathy Freston
Kathy Freston is a food and wellness writer with a focus on a plant-based diet. Her advocacy to move away from eating animals spans concern for human health as well as animal and environmental welfare. She is the author of eight books, four of them instant New York Times best-sellers. Her works include The Lean, Veganist, and Quantum Wellness. Her newest book, co-written with The Good Food Institute founder and president Bruce Friedrich, is The Clean Protein Revolution, which addresses how much protein is right for your body, where to get the best sources of it, and how to follow the plan for incorporating healthy protein into your cleaned-up diet.

Neal Barnard, M.D., F.A.C.C.
Dr. Barnard is the president of the Physicians Committee for Responsible Medicine and an adjunct associate professor of medicine at the George Washington University School of Medicine in Washington, D.C. Dr. Barnard has led numerous research studies investigating the effects of diet on diabetes, body weight, and chronic pain, including a groundbreaking study of dietary interventions in type 2 diabetes funded by the National Institutes of Health. He has authored more than 70 scientific publications, as well as 18 books.

Saray StancicSaray Stancic, M.D.
Dr. Stancic is the founder and owner of Stancic Health and Wellness, LLC, where she is a board-certified lifestyle medicine physician. The focus of her practice is to counsel patients on achieving wellness via lifestyle modification and the adoption of a plant-based diet. She serves as mentor to the Lifestyle Medicine Interest Group at Rutgers New Jersey Medical School and has authored several research papers in peer-reviewed journals.

Michael Greger, M.D., F.A.C.L.M.
Dr. Greger is a founding member and fellow of the American College of Lifestyle Medicine,  New York Times best-selling author, and internationally recognized speaker on nutrition, food safety, and public health issues. His latest book, How Not to Die, became an instant New York Times best-seller. He has videos on more than 2,000 health topics freely available at, with new videos and articles uploaded every day. In 2017, Dr. Greger was honored with the ACLM Lifestyle Medicine Trailblazer Award.

Kim Williams M.D., M.A.C.C., M.A.S.N.C., F.A.H.A., F.E.S.C.
Dr. Williams serves as the chief of the division of cardiology and is the James B. Herrick Endowed Professor of Medicine and Cardiology at Rush University Medical Center. He has served as the president of the American Society of Nuclear Cardiology, chairman of the board of the Association of Black Cardiologists, and president of the American College of Cardiology. Dr. Williams has published numerous peer-reviewed articles, monographs, book chapters, editorials, and review articles.

JOHN SIEVENPIPERJohn L Sievenpiper, M.D., Ph.D., F.R.C.P.C.
Dr. Sievenpiper is an associate professor in the department of nutritional sciences and the lifestyle medicine lead in the MD Program at the University of Toronto. He also holds appointments as staff physician in the division of endocrinology and metabolism and scientist in the Li Ka Shing Knowledge Institute at St. Michael’s Hospital. His research is focused on using randomized controlled trials and systematic reviews and meta-analyses to address questions of clinical and public health importance in relation to diet and chronic disease prevention. He has authored more than 140 scientific papers and 13 book chapters. Dr. Sievenpiper is directly involved in knowledge translation with appointments to the nutrition guidelines committees of Diabetes Canada, European Association for the study of Diabetes, Canadian Cardiovascular Society, and the Canadian Obesity Network.

Hana Kahleova, M.D., Ph.D.
Dr. Kahleova is director of clinical research for the Physicians Committee for Responsible Medicine. She is an endocrinologist with a doctorate in human physiology and pathophysiology. Her current research interests focus on dietary treatment of metabolic disease and type 2 diabetes. She conducted several clinical trials with a plant-based diet. The studies proved the power of a plant-based nutrition to improve oxidative stress and metabolic control in patients with type 2 diabetes. One of the studies showed that a plant-based diet reduces muscle fat more than a conventional hypocaloric diet in people with type 2 diabetes. This reduction in muscle fat was also associated with improvements in glucose metabolism and insulin sensitivity. Her research proved that eating a large breakfast and lunch is more beneficial than eating six smaller meals a day for patients with type 2 diabetes. She completed her postdoctoral research fellowship at Loma Linda University in California, analyzing data from more than 50,000 people, who were followed up for more than 7 years, on meal frequency and timing in relationship to body weight regulation.

Andrew FreemanAndrew Freeman, M.D., F.A.C.C., F.A.C.P.
Dr. Freeman serves as the director of clinical cardiology and the director of cardiovascular prevention and wellness and is an associate professor of medicine at National Jewish Health in Denver, Colo. His clinical and research interests are in imaging heart disease and nutrition and lifestyle medicine as well as preventive cardiology. Dr. Freeman holds key leadership positions in the American College of Cardiology both regionally and at the national level, including co-chair of the Nutrition and Lifestyle Workgroup. He has published scholarly manuscripts on cardiovascular nutrition, nutrition education, patient-centered care, cardiac sarcoidosis, and has served as editor-in-chief of the Patient Centered Care community on CardioSource.

Dean OrnishDean Ornish, M.D.
Dr. Ornish is the founder and president of the nonprofit Preventive Medicine Research Institute and Clinical Professor of Medicine at the University of California, San Francisco, and also clinical professor of medicine at the University of California, San Diego. His research has been published in the leading peer-reviewed medical journals, including the Journal of the American Medical Association, The Lancet, and the New England Journal of Medicine. His work has been featured in all major media, including cover stories in Newsweek, Time, and U.S. News & World Report. Dr. Ornish is the medical editor for the Huffington Post and his TED talks have been viewed by more than 5 million people. The author of six books, all national bestsellers, he was recognized by Life magazine as “one of the 50 most influential members of his generation” and by Forbes magazine as “one of the world’s seven most powerful teachers.” Dr. Ornish was trained in internal medicine at the Baylor College of Medicine, Harvard Medical School, and the Massachusetts General Hospital. For more information:

Dr. KushiLawrence H. Kushi, Sc.D.
Dr. Kushi is director of scientific policy at the Kaiser Permanente Northern California Division of Research and is internationally recognized for his expertise in nutritional epidemiology. His research interests focus on the role of diet and nutrition in the etiology of coronary artery disease and breast and other cancers. He serves on a grant review committee for the American Cancer Society and has served on various American Cancer Society committees to develop guidelines for the dietary prevention and management of cancer. Dr. Kushi has also served on review committees for the Epidemiology and Disease Control Study Section of the National Institutes of Health, and the Integration Panel of the Breast Cancer Research Program of the US Army Medical Research and Materiel Command. He was formerly the chair of the Food and Nutrition Section of the American Public Health Association; on the executive committee of the American Society of Preventive Oncology; and has worked at the Fred Hutchinson Cancer Research Center and the University of Minnesota School of Public Health.

Lee CrosbyLee Crosby, R.D., L.D.
Ms. Crosby is a staff dietitian with the Physicians Committee for Responsible Medicine and the Barnard Medical Center, where she uses plant-based nutrition to help patients lose weight in a body-positive way, prevent and reverse diabetes and heart disease, and ease women’s health issues. When she’s not helping people feel their best with plant-based food, Ms. Crosby loves sharing delicious (and healthy) recipes from her blog,

Michal BeeriMichal Schnaider Beeri, Ph.D.
Dr. Beeri is a professor of psychiatry at the Icahn School of Medicine at Mount Sinai in New York. Specializing in geriatric psychology, her career has been devoted to the study of cognitive impairment, Alzheimer’s disease, and dementia. A major focus of her work has been diabetes as a risk factor for dementia and Alzheimer’s. Her studies focus on lifestyle, blood, and genetic factors affecting the greater brain and cognitive impairment of diabetic individuals. She has more than 100 peer-reviewed publications and numerous awards, including the Young Investigator Award of Research Excellence at Mount Sinai and Distinguished Reviewer Awards from the American Diabetes Association.

Gretchen Housel, M.S.N., N.P.- C.    Gretchen Housel, N.P.-C., M.S.N., R.N., B.S.N.
Ms. Housel is an adult-gerontology primary care nurse practitioner at the Barnard Medical Center. She helps her patients realize the myriad of health benefits a plant-based diet provides, from helping to treat and reduce the risk of cardiovascular disease, type 2 diabetes, and obesity, to improving joint health and reducing the risk of many forms of cancer. She is a graduate of the Johns Hopkins University School of Nursing, where she earned both her bachelor’s and master’s degrees in nursing. During her graduate studies, Ms. Housel received an award from the Preventive Cardiovascular Nurses Association for her work in prescribing lifestyle medicine as a community health nurse. She helped patients with cardiovascular disease and metabolic syndrome incorporate more plant foods into their diets, quit smoking, reduce stress, and increase their physical activity.

Michelle DonoghueMichelle L. O'Donoghue, M.D., M.P.H., F.A.C.C., F.A.H.A., F.E.S.C.
Dr. O’Donoghue is a cardiologist at Brigham and Women’s Hospital in Boston and an assistant professor of medicine at Harvard Medical School. Dr. O’Donoghue conducts clinical trials in cardiovascular disease and has published multiple peer-reviewed articles, book chapters, editorials, and review articles. She earned her medical degree from Columbia University College of Physicians and Surgeons in New York and completed her residency in internal medicine and fellowship in cardiovascular medicine at Massachusetts General Hospital.  She subsequently completed a master’s degree in public health at the Harvard School of Public Health.  

Adriane Fugh BermanAdriane Fugh-Berman, M.D.
Dr. Fugh-Berman is a professor of pharmacology and physiology with a joint appointment in the department of family medicine at Georgetown University. As director of PharmedOut, a Georgetown University Medical Center research and education project that promotes rational prescribing and exposes the effect of pharmaceutical marketing on prescribing practices, Dr. Fugh-Berman leads a team that has had a profound impact on prescribers’ perceptions of the adverse consequences of industry marketing. Dr. Fugh-Berman has authored many key articles in peer-reviewed literature on the area of physician-industry relationships and conflicts of interest. Dr. Fugh-Berman graduated from Georgetown University School of Medicine and completed a family medicine internship in the residency program in social medicine at Montefiore Hospital in the Bronx.

Karen Smith, R.D.
Ms. Smith worked for the Physicians Committee for Responsible Medicine and the Barnard Medical Center for two years prior to returning to Delaware to work for a lifestyle medicine practice, where she sees patients, teaches classes, and co-facilitates Cure Diabetes, a program developed to reverse prediabetes and type 2 diabetes through lifestyle modifications. She is also an active Food for Life instructor. She also has experience working for community nutrition programs like WIC and Meals on Wheels and clinical experience as a dietitian for multiple long-term care facilities. Ms. Smith is a graduate of the University of Delaware where she also completed her dietetic internship.

Kevin HallKevin Hall, Ph.D.
Dr. Hall is a senior investigator at the National Institute of Diabetes & Digestive & Kidney Diseases, one of the National Institutes of Health, where his main research interests are the regulation of food intake, macronutrient metabolism, energy balance, and body weight. Dr. Hall’s laboratory performs experiments and develops mathematical models and computer simulations to help design, predict, and interpret the experimental data. Dr. Hall’s award-winning Body Weight Planner has been used by more than a million people to help predict how diet and physical activity dynamically interact to affect human body weight.

Donald ForresterDonald Forrester, M.D., F.A.C.P.E.
Dr. Forrester is the chief medical officer for Switch Healthcare. He also sees patients as a staff physician at the McDougall Health Clinic and serves on the board of He practiced with the Permanente Medical Group in Sacramento from 1978 to 2008. Dr. Forrester earned his undergraduate degree in chemical engineering from Lehigh University, his medical degree from Georgetown University, and completed his residency in family medicine in Sacramento. He is board certified in family medicine, a fellow with the American College of Physician Executives, and a graduate of Intermountain Healthcare’s Advanced Training Program in quality improvement.

Dr. Bradley WilcoxBradley J. Willcox, M.D., M.Sc., F.A.C.P. 
Dr. Willcox is professor and director of research at the department of geriatric medicine, John A. Burns School of Medicine, University of Hawaii, at the Kuakini Medical Center (KMC) campus. He also is principal investigator of the NIH-funded KMC Hawaii Lifespan Study and KMC Hawaii Healthspan Study, and co-principal investigator of the Okinawa Centenarian Study. He is physician leader of the Long-Term Care Hospitalist Service at The Queens Medical Center, Honolulu. 

Dr. Willcox has published widely in the genetic, environmental, and clinical aspects of healthy aging. He is on the editorial board of the Journals of Gerontology and the Board of Scientific Counselors for the U.S. National Institute on Aging, which reviews all intramural NIA research programs. He is a fellow of the Gerontological Society of America. 

Dr. Willcox trained in medicine at the University of Toronto, internal medicine at the Mayo Clinic, and geriatric medicine at Harvard Medical School and is board certified in both internal medicine and geriatric medicine. 

David DonohueDavid Donohue, M.D., F.A.C.P.
David Donohue, M.D., F.A.C.P., is a primary care internist practicing in Wilmington, Del. His practice, Progressive Health of Delaware, is the only lifestyle medicine practice in its region. Since 2016, he has run a diabetes reversal program called Cure Diabetes and other disease reversal programs. He is currently working with the American College of Lifestyle Medicine (ACLM) to set up the nation's first lifestyle medicine-focused network of primary care practices and Accountable Care Organization. He received his medical training at Baylor College of Medicine and residency in primary care internal medicine at George Washington University. He was board certified in lifestyle medicine in November 2017.



Tona FioreToni Fiore
Toni Fiore, a 30-year vegetarian, is a self-taught chef who first embraced Mediterranean culinary techniques and philosophy while growing up in Italy. In 2005, she began cooking up a plant-based storm as the host of Delicious TV’s Totally Vegetarian, which has aired for over a decade on public television across the United States. In 2008, she authored the companion cookbook Totally Vegetarian: Easy, Fast, Comforting Cooking for Every Kind of Vegetarian. Toni began hosting the Delicious TV podcast in 2009, and it quickly became a top-10 food podcast on iTunes. Her new e-cookbook and how-to videos are now available at VegEZ.TV. In 2012, Toni co-hosted Delicious TV’s Vegan Mashup with cheese master Miyoko Schinner and cookbook maven Terry Hope Romero. You can catch it on public television or at

Miyoko SchinnerMiyoko Schinner
Miyoko Schinner is founder and CEO of Miyoko’s Kitchen, a leader in innovative, award-winning, organic dairy alternatives that aim to redefine the future of the creamery. A passionate culinarian, Miyoko is the author of five cookbooks and hosted three seasons of Vegan Mashup, a cooking show that aired on PBS nationwide. An avid activist working to change the culture of food, Miyoko is on the board of the Plant Based Foods Association and co-founder of Rancho Compasión, a farmed animal sanctuary in Nicasio, Calif., that provides a home to more than 80 farm animals.

LaQuandra S. Nesbitt, M.D., M.P.H.LaQuandra S. Nesbitt, M.D., M.P.H.
Dr. Nesbitt is a board-certified family physician and the director of the District of Columbia Department of Health in Washington, D.C. In her role as health director, Dr. Nesbitt serves in key leadership roles on behalf of Mayor Muriel Bowser, such as addressing critical public health issues including the role of health in enhancing a city’s resilience and innovation in health care delivery. Prior to her role in D.C., Dr. Nesbitt served as the director of the Louisville Metro Department of Public Health and Wellness, where she led initiatives focused on Affordable Care Act implementation, health equity, and violence prevention. In addition to her professional activities, Dr. Nesbitt is a published author and served as an executive editor of Population Health: Management, Policy, and Technology, First Edition. Dr. Nesbitt received her medical degree from Wayne State University School of Medicine and a Master of Public Health in health care management and policy from the Harvard School of Public Health. Dr. Nesbitt completed her fellowship training with the Commonwealth Fund Harvard University Fellowship in Minority Health Policy.