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Certification in Cardiology

Certification in Cardiology Principles – Speakers

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Christopher Davis, MD, FACC

Dr. Christopher Davis is a highly accomplished, functional medicine doctor and triple-board certified cardiologist in Sarasota who has made a significant impact in the healthcare field. After medical school, Dr. Davis trained at the prestigious Johns Hopkins/Sinai Hospital for his Internal Medicine residency. During his training, he was recognized and honored for his commitment to patient care by being bestowed the honor of Chief Medical Resident at Johns Hopkins/Sinai University. Dr. Davis practices Cardiology and Functional Medicine at Manatee Cardiovascular Wellness Institute and Reveal Vitality, where he incorporates nutrition, hormone balance, fitness and permanent weight control. His board certifications are in internal medicine, cardiovascular disease and interventional cardiology. He has been honored as one of America’s “Top Doctors” by Castle Connolly Medical and has received the distinguished title of Top Doctor by U.S. News and World Report and Sarasota Magazine.

Regina S. Druz, MD, MBA, MS, FACC

Regina S. Druz, MD, MBA, MS, FACC, is a board-certified cardiologist and the founder of the Holistic Heart Centers, a network of affiliated cardiology practices focused on making precision medicine personal for cardiovascular patients. She created the Functional and Integrative Therapeutics based on Genome, Environment, Nutrition, Exercise, and Supplements (Fit in Your GENES), an innovative functional medicine program to control inflammation, oxidative stress, and auto-immunity. Utilizing targeted assessments, including genetic testing, inflammatory markers, lipids, and hormones, the program allows patients to avoid or reduce statins and other cardiac medications, improve blood pressure, reverse vascular aging, recover heart muscle function, and lower the impact of atrial fibrillation.

Michaël Friedman, ND

Naturopathic physician Dr. Michaël Friedman is author of the recent book There’s No Pill for This: A Naturopathic Physician’s Personal Prescription for Managing Multiple Sclerosis (Chelsea Green, 2020). He is the founder of the Association for the Advancement of Restorative Medicine and the Journal of Restorative Medicine. He also creates and formulates herbal and nutritional supplements, and is cofounder and president of the Restorative Formulations supplement company. He is the author of the medical textbook Fundamentals of Naturopathic Endocrinology, a contributing author of Evidence-Based Approach to Restoring Thyroid Health, and co-author of Healing Diabetes. He has treated patients with illnesses ranging from lymphoma to liver cancer, achieving remarkable results that have been published in several medical journals. He lives with his family in Vermont, USA.

Olivia Greenspan, ND

Dr. Olivia Greenspan is a Naturopathic Doctor and Registered Nurse based in Newmarket, Ontario. For the past 20 years, Dr. Greenspan has worked as a nurse in general cardiology, cardiac critical care, and cardiac recovery. Her extensive experience as a nurse and naturopathic doctor has helped her foster a unique synergy between conventional care and naturopathy, bringing the best of both worlds to her patient care.

Dr. Greenspan particularly loves working with and educating women on their unique risk factors for cardiovascular disease, helping to empower them to become better advocates for their own health.

Dr. Greenspan is a member of the College of Naturopaths of Ontario (CONO), The College of Nurses of Ontario (CNO), Ontario Nurses Association (ONA), and the Registered Nurses Association of Ontario – Complimentary Therapies Nursing Interest Group (RNAO-CTNIG).

Dr. Greenspan regularly engages in local speaking opportunities and has had podcast appearances. She was a guest speaker at the Canadian Council of Cardiovascular Nurses Conference in Calgary, AB, speaking on Integrative Cardiology. She is currently a fellow with the Confident Clinician Cardiovascular Fellowship (2023), enhancing her knowledge and critical appraisal skills in integrative cardiology.

Joel Kahn, MD, FACC

Joel Kahn, MD, FACC of Detroit, Michigan, is a practicing cardiologist, and a Clinical Professor of Medicine at Wayne State University School of Medicine. He graduated Summa Cum Laude from the University of Michigan Medical School. Known as "America’s Healthy Heart Doc", Dr. Kahn has triple board certification in Internal Medicine, Cardiovascular Medicine and Interventional Cardiology. He founded the Kahn Center for Cardiac Longevity in Bingham Farms, MI.

Dr. Kahn has authored scores of publications in his field including articles, book chapters and monographs. He writes health articles and has 6 books in publication including Your Whole Heart Solution, Dead Execs Don’t Get Bonuses and The Plant Based Solution, and Lipoprotein(a): The Heart’s Silent Killer. He has regular appearances on Dr. Phil, The Doctors Show, Dr. Oz, Larry King Now, Joe Rogan Experience, and with Bassem Yousef. He has been awarded a Health Hero award from Detroit Crain’s Business. Dr. Kahn can be found at

Jill Stansbury, ND

Jill Stansbury, ND, has practiced family medicine in Southwestern Washington State for over 30 years. She chaired the Botanical Medicine Department at the National University of Naturopathic Medicine for several decades and remains on the faculty. Dr. Stansbury now serves as a guest professor at Bastyr University. Dr. Stansbury teaches widely at medical conferences throughout the US and Canada, has authored more than 150 scholarly papers, and published several books on herbal and natural medicine. She has a strong interest in ethnobotany and works with universities in Peru to develop clinical and research relationships for projects in botanical medicine. She leads trips to Cusco, Peru, and the Peruvian Amazon each August.

Decker Weiss, NMD, FASA

Decker Weiss, NMD, FASA, is a pioneer in the field of naturopathic cardiology. He became the first Cardiologist as a Naturopathic Physician, completing a non-invasive cardiovascular hospital-based training program in the Columbia Hospital system, the Arizona Heart Institute, and the Arizona Heart Hospital. Dr. Weiss kept privileges at the Arizona Heart Hospital while opening the breakthrough Scottsdale Heart Institute, where he helped thousands of patients reduce medication safely, eliminate the need for angioplasty and bypass surgery, and reverse heart disease and many arrhythmias naturally.

Three clinically-oriented sessions

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If you have a question or problem registering, please email or call toll-free 866-962-2276