Douglas “Duffy” MacKay, ND

Douglas “Duffy” MacKay, N.D., is Senior Vice President, Scientific & Regulatory Affairs for the Council for Responsible Nutrition (CRN). CRN is the leading trade association representing the dietary supplement industry. Dr. MacKay is a licensed Naturopathic Doctor and was a co-owner and practitioner in a family-owned New Hampshire complementary and alternative medicine private practice for seven years. In addition to his hands-on experience as a practitioner in the field of integrative medicine, he spent eight years working as a medical consultant for two companies in the dietary supplement industry, including four years with Nordic Naturals, where he served as Vice President, Clinical Research. He previously served as Senior Technical Advisor for Thorne Research. A published author in peer-reviewed journals, Dr. MacKay previously served as a Senior Editor of the peer-reviewed clinical journal Alternative Medicine Review. Dr. MacKay earned his B.S. in Marine Sciences from the University of California, Santa Cruz and his N.D. from the National College of Naturopathic Medicine in Portland, Oregon. Dr. MacKay is licensed in the state of New Hampshire.