guest speakers

Study with the world’s top nutrition experts.

Andrew Weil, M.D. - Physician and author who popularized integrative medicine
Andrew Weil, M.D.
Deepak Chopra - Physician, public speaker, and writer on spirituality, Ayurveda, and mind-body medicine
Deepak Chopra
David Wolfe - one of the world's top authorities on natural health, beauty nutrition, herbalism, chocolate, and organic superfoods
David Wolfe
Sally Fallon - co-founder and president of the Weston A. Price Foundation, author of Nourishing Traditions
Sally Fallon
Walter Willett, MD, DrPH. - Chair of the Department of Nutrition at Harvard School of Public Health, Professor of Medicine at Harvard Medical School
Walter Willet, M.D.
Neal Barnard, M.D. -  physician, author, and founder and president of the Physicians Committee for Responsible Medicine (PCRM)
Neal Barnard, M.D.
Mark Hyman, M.D. - practicing physician and internationally recognized authority in the field of Functional Medicine
Mark Hyman, M.D.
John Douillard, D.C., Ph.D. - leader in the field of Ayurveda with over 20 years experience
John Douillard, Ph.D.
Annemarie Colbin, Ph.D. - award-winning leader in the field of natural health, highly sought-after lecturer and wellness consultant, and founder and CEO of the Natural Gourmet Institute in NYC
Annemarie Colbin
David L. Katz, M.D. - director and founder of Yale University's Prevention Research Center, internationally renowned authority on nutrition, chronic illness prevention, integrative medicine and patient-centered care
David Katz, M.D.
Barry Sears, Ph.D. - biochemist and creator of the Zone diet
Barry Sears, M.D.
Bernie Siegel, M.D. - internationally recognized expert in the field of cancer treatment and complementary, holistic medicine
Bernie Siegel, M.D.

Check out the IIN Curriculum Guide to get a feel for IIN’s online nutrition school and health coach training program.

Experience a sample class at IIN!