Contributors

Donald R. Yance, CN, RH (AHG) – Founder & Formulator, Natura Health Products
Founder & Lead Clinician, Mederi Center | Founder & Principal Architect, Mederi Academy

Donnie Yance is a Clinical Master Herbalist, Certified Nutritionist, and the visionary Founder and Formulator of Natura Health Products. As a pioneer in the field of integrative medicine, Donnie brings over three decades of clinical experience and research to his work developing advanced botanical and nutritional formulations for healthcare practitioners.
 
He is the creator of the Eclectic Triphasic Medical System (ETMS), also known as Mederi Care, a comprehensive, holistic approach to healing that synthesizes the wisdom of traditional systems with the latest in modern biomedical research. This model informs both his clinical practice and the product formulations within the Natura line, many of which are designed to support complex patient needs, including cancer, chronic illness, and age-related degeneration.
 
Donnie conducts his clinical practice as Lead Clinician at the Mederi Center in Ashland, Oregon, and leads the curriculum as Founder and Principal Faculty at the Mederi Academy, an advanced training program for practitioners in integrative and botanical medicine. His clinical expertise spans oncology, immunology, epigenetics, laboratory medicine, and nutrition.
 
A professional member of the American Herbalists Guild and the National Association of Nutrition Professionals, Donnie is also a professed Secular Franciscan (SFO), integrating spiritual care as an essential component of the healing process.
 
Donnie is the author of two influential books, Herbal Medicine, Healing and Cancer, and Adaptogens in Medical Herbalism, and a frequent contributor to leading journals and conferences in the integrative health field. Through Natura EDU, he shares his knowledge with practitioners worldwide, advancing the role of botanical medicine in modern clinical care.

 

Jason Miller, DACM, LAc – Natura Medical Educator
Advanced Clinical Applications and Protocol Development

As Medical Educator for Natura Health Products, Dr. Jason Miller brings over two decades of clinical experience and a deep understanding of integrative medicine to his work with practitioners. Since 2006, he has served as an educational bridge between traditional healing systems and modern biomedicine, offering clinical insights through practitioner consultations, webinars, and expert interviews via Natura EDU.
 
Dr. Miller’s approach is grounded in Traditional Chinese Medicine (TCM) and enriched by his expertise in biomedical sciences and botanical medicine. He holds a Doctorate in Acupuncture and Chinese Medicine from Pacific College of Health and Science and a Master’s degree from the Oregon College of Oriental Medicine, where he graduated in 2005. His post-graduate clinical internship in Nanjing, China at the renowned “House of Celebrity Doctors” helped shape the integrative lens through which he practices and teaches today.
 
In addition to his long-standing role with Natura, Dr. Miller has worked extensively at Donnie Yance’s Mederi Centre for Natural Healing, collaborating on integrative patient protocols and facilitating clinical education. He currently serves as Head of Faculty and Content Development for the Mederi Academy, and continues to practice integrative oncology and chronic disease care at the Mederi Clinic.
 
Known for his ability to translate complex medical concepts into accessible, actionable knowledge, Dr. Miller lectures nationally on topics such as botanical medicine, Traditional Chinese Medicine in the modern clinic, and the evolving role of integrative care in chronic disease.
 
Practitioner customers of Natura Health Products are invited to schedule complimentary consultations with Dr. Miller to discuss:
  • Advanced applications of Natura products in clinical settings
  • Fundamentals of integrative protocol development
  • Companion formulas for comprehensive support

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Suzanne E. Sky, L.Ac., MTOM, Educational Medical Writer

Educational Writer

Suzanne has worked with herbs, nutrition, and healing modalities for over forty years, learning from many teachers and mentors along the way. She studied Chinese medicine primarily with Taoist master Dr. Lily Siou in Hawai’i. After graduating with a Masters degree from Dr. Siou’s Tai Hsuan Foundation in 1989, Suzanne opened a clinic and herb business on the Big Island of Hawai’i. She later received a second Masters degree in Traditional Oriental Medicine, graduating magna cum laude from Pacific College of Oriental Medicine in San Diego. Suzanne practiced at her clinic in North County, San Diego for seven years, specializing in women’s health and chronic illness.

While in Hawai’i and Southern California, Suzanne researched, co-authored, and self-published Acidophilus & Colon Health, a “basic best-seller” booklet in health food stores for 17 years. She later led a team to self-publish an expanded version (Achieve Maximum Health: Colon Flora, The Missing Link in Immunity, Health & Longevity, 1995) and also wrote a revised version for Kensington Publishing. Suzanne has written self-published books on herbal remedies and many articles based on her studies, research, and experience.

Suzanne worked as Clinical Associate with Natura’s Founder/Formulator Donald Yance from 1999 to 2004, specializing in complementary cancer care, at the Centre for Natural Healing in Ashland, Oregon and taught at several of Donnie’s first clinical training programs. Suzanne also worked as consultant and substantive editor to organize the manuscript of Donnie’s book Adaptogens in Medical Herbalism (Healing Arts Press, 2013).

Since 2004, Suzanne has practiced at her own clinic, Ashland Acupuncture, integrating herbal, nutritional, and Chinese medicine. Her specialties include women’s health, adrenal and chronic fatigue, mental/emotional issues, healthy aging, and pain/injury. While acupuncture is her primary treatment modality, she has been a practitioner of the ancient Japanese healing art of Jin Shin Jyutsu since 1980. Suzanne has taught classes including Chinese medicine, dietary/nutritional health, Qi Gong, and Jin Shin Jyutsu Self-Help.

Since 2014, Suzanne has worked with Natura Health Products as a freelance Educational Medical Writer. She writes Natura’s Product Sheets and product Tech Sheets, along with thematic Informational Papers and White Papers, working to integrate the time-proven wisdom of traditional medicines with modern research on botanicals, nutrition, and health.

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