Dr. Dickson Thom, DDS, ND, is among the foremost practitioners and educators of Biological Medicine in North America today. Author of the book, Begin Again: Trauma, Disease, and Healing with the Brain Protocol and Biological Medicine, Dr. Thom has more than 45 years of clinical experience helping thousands of patients overcome chronic illness and heal trauma.

He maintains a private practice with a primary focus on chronic disease, autoimmune disease, neurological conditions, gastrointestinal problems, and endocrine disorders. A past dean of Naturopathic Medicine at National College of Naturopathic Medicine in Portland, Oregon, Dr. Thom was a full-time professor for more than 25 years. 

Dr. Thom received his post-doctoral degree from the University of Toronto, Faculty of Dentistry; his doctor of naturopathic medicine degree from the Ontario College of Naturopathic Medicine; and his second degree from National College of Naturopathic Medicine in Portland, Oregon. He has been awarded “The Vis Award” from the American Association of Naturopathic Physicians for his commitment to the healing power of nature as demonstrated through his work, life, and community service.