David Hill is a licensed Chiropractic Physician and the Chief Medical Advisor to dōTERRA. He earned his DC degree from Parker College of Chiropractic in Dallas, Texas. He is the former administrator of a clinic of natural medicine leading a staff of medical doctors, chiropractors, nurses, therapists, and administrative staff. He remains actively involved in research affiliations with hospitals, universities, and other healthcare organizations. Dr. Hill is a pioneering expert and dynamic leader in the field of integrative medicine. He is an internationally-recognized lecturer on wellness with emphasis on the uses and application of essential oils. He also is an accomplished author and wellness trainer. As Chief Medical Advisor to dōTERRA, Dr. Hill plays an instrumental role in the development of dōTERRA’s Certified Pure Therapeutic Grade essential oils and other wellness products.
Nicole Stevens earned her MSc degree in Integrative Biology from Brigham Young University in 2002. Her thesis work involved screening essential oils against various cancer cell lines to identify possible anti-cancer components. Nicole worked as a research technician at the University of Nevada Las Vegas for three years, where she investigated the use of essential oils as photosensitizing agents in photodynamic therapy. This method involves using wavelengths of light to kill specific cancer cells. From 2005 until recently, Nicole taught chemistry at Brigham Young University Idaho.