Dr. David K. Hill

Founding Executive

Dr. Hill oversees all science, research, medical, and safety departments at doTERRA. He is known across the world as an expert in essential oils and integrative medicine.

Dr. Hill, a pioneer and leader, has been a pivotal force for bringing essential oils into the mainstream over the past several decades. He partners with international physicians, scientists, and hospitals, defining and establishing the medical integration and use of essential oils in modern health practices. He guides advances in essential oil science at top universities and research affiliations, helping provide more in-depth understanding of essential oils and their uses.

Along with his many accomplishments in essential oil science and research, Dr. Hill is also a beloved educator. At the end of the day, his favorite way to spend his time is at home with his wife, children, and grandchildren.


Dr. Russell Osguthorpe, MD

CMO, (Chief Medical Officer)

Dr. Russell Osguthorpe currently serves as chief medical officer at doTERRA. He’s establishing a network of primary care clinics focused on wellness and prevention through integrative, evidence-based medical practices. He’s also researching the use of essential oils in healthcare settings.

Dr. Osguthorpe received his medical degree from the McGill University School of Medicine, completed his residency at the Children’s Hospital in Denver, Colorado, and pediatric infectious diseases fellowship at Washington University School of Medicine.


Dr. Brannick Riggs, MD

Vice President of Education, Chairman of Scientific and Medical Education Committee

Dr. Brannick Riggs was born in Lafayette, Indiana, but he was raised around the world. He’s a board-certified family practitioner. In 2001, he graduated from the University of Arizona College of Medicine in Tucson, receiving some of his training in complementary and alternative medicine. After graduation, he participated in the McKay-Dee Family Practice Residency program, which brought him and his family to Ogden, Utah.

Dr. Riggs enjoys the full spectrum of family medicine and is a member of the American Academy of Family Physicians. Dr. Riggs served as medical director of his busy practice, as well as for a nursing home and two hospice groups. He was also the northern Utah medical director for Revere Health from 2014 to 2017.

Dr. Riggs has a strong interest in value-based healthcare and is passionate about changing the profession he loves for the betterment of patients and physicians. He was honored to receive the Patients’ Choice Award for seven consecutive years. He’s now chairman of the Scientific and Medical Education Committee and vice president of clinical initiatives for doTERRA.

Dr. Riggs enjoys using essential oils in his home and integrating them into his medical practice to bless the lives of patients. When he’s not working, Dr. Riggs and his wife, Juli, enjoy spending time with their five children out in the Wasatch Front. They garden, tend to their small farm, and love to travel the world together.













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