Leadership

  • Gretchen DuBeau, Esq.

    Gretchen DuBeau, Esq.

    ANH-USA Executive Director and Board Member

    [Read Gretchen’s Recent ‘Intelligent Optimist’ Article] Gretchen DuBeau joined the Alliance for Natural Health USA as Executive and Legal Director in 2008. A lifelong environmentalist and devotee to natural health and healing, Gretchen has found the perfect culmination of her interests at ANH-USA, where she works to shift the current medical paradigm to one that embraces real preventiv...
  • Robert Verkerk, PH.D.

    Robert Verkerk, PH.D.

    ANH-USA Scientific Director and Board Member

    Robert is an internationally acclaimed scientist with over 25 years experience in the field of agricultural and healthcare sustainability, having worked in academia, industry and the not-for-profit sector. He has worked extensively in Africa, Asia, Australia, the Americas as well as Europe. After leaving Imperial College London in 2002, he founded the Alliance for Natural Health, which he has h...
  • Meleni Aldridge, BSc Nutritional Medicine

    Meleni Aldridge, BSc Nutritional Medicine

    ANH-USA Board Member

    Meleni Aldridge has 15 years of experience as a practitioner of complementary and holistic medicine and 11 years teaching experience in her capacity as a Senior Lecturer at a UK university. She has previously worked in the banking and insurance sectors. Her initial training in health and body work was in South Africa, having spent her childhood in Zimbabwe. Her skills as a practitioner and communi...
  • Lise Alschuler

    Lise Alschuler

    ANH USA Board Member

    Lise Alschuler is a naturopathic doctor with board certification in naturopathic oncology and has been practicing since 1994.  She received her bachelor’s degree from Brown University in medical anthropology and her doctorate of naturopathic medicine from Bastyr University, where she also completed her residency. She maintains a naturopathic oncology practice out of Naturopathic Specialists, b...
  • Jeanne Drisko, M.D.

    Jeanne Drisko, M.D.

    ANH-USA Chairman and Medical Director

    Jeanne Drisko, MD is the Riordan Professor of Orthomolecular Medicine and director of the Program in Integrative Medicine at the University of Kansas Medical Center. Dr Drisko conducts integrative medicine research at the University including trials investigating efficacy and safety of intravenous ascorbate in cancer and infectious disease, safety of bioidentical ‘natural’ hormones, trial to a...
  • Ronald Hoffman, M.D., CNS

    Ronald Hoffman, M.D., CNS

    ANH-USA Board Member

    Dr. Ronald Hoffman is recognized as one of America’s foremost complementary medicine practitioners. He is founder and Medical Director of the Hoffman Center in New York City, author of numerous books and articles for the public and for health professionals, and is host of the popular nationally-syndicated radio program Intelligent Medicine. He is active in several medical professional organiz...
  • Hunter Lewis

    Hunter Lewis

    ANH-USA President

    Hunter Lewis is co-founder and former CEO of global investment firm Cambridge Associates, LLC and author of 11 books on economics and moral philosophy, including the widely acclaimed Are the Rich Necessary? (“Highly provocative and highly pleasurable.”—New York Times), Economics in Three Lessons & One Hundred Economic Laws, Where Keynes Went Wrong, and Crony Capitalism in America 2...
  • Jonathan Lizotte

    Jonathan Lizotte

    ANH-USA Treasurer

    www.designsforhealth.com Jonathan Lizotte launched his nutrition industry career in 1989 when he founded Designs for Health, then a nutrition health services company. As the success of nutrition counseling services grew, so did the demand for nutritional products to satisfy the treatment requirements of the company’s team of clinical nutritionists. Realizing that a need existed for a line of ...
  • Harry G. Preuss, M.D., F.A.C.N., C.N.S.

    Harry G. Preuss, M.D., F.A.C.N., C.N.S.

    ANH-USA Board Member

    Dr. Preuss received his BA and MD from Cornell University, Ithaca, NY, and New York City, trained for three years in internal medicine at Vanderbilt University Medical Center under Dr. David E. Rogers, studied for two years as a fellow in renal physiology at Cornell University Medical Center under Dr. Robert F. Pitts, and spent two years in clinical and research training in nephrology at Georgetow...
  • Robert A. (Bob) Beiswenger

    Robert A. (Bob) Beiswenger

    ANH-USA Board, Consumer Advocate

    Robert A. (Bob) Beiswenger has a total of more than 32 years of military service with the Air Force, flying C-141s during most of his career. Bob became interested in alternative treatments because his wife came from a cancer-prone family. Unfortunately, when his wife was diagnosed with ovarian cancer, he discovered that he had to take his wife out of the “land of freedom” to a third world cou...