Scientific Advisory Board (SAB)

Paul W. Winterton is a Board Certified Orthopedic Surgeon. He earned his medical degree from Harvard Medical School in 1993 and completed his Orthopedic Surgical Residency at the Mayo Clinic in 1998. Following residency, he completed two fellowships at The Institute For Bone and Joint Disorders in shoulder and knee reconstructive surgery/sports medicine, as well as foot and ankle reconstruction in Phoenix, Arizona.

Following his formal orthopedic training, Dr. Winterton opened Southtowne Orthopedics and The Utah Cartilage and Ligament Repair Center in Salt Lake City in 1999. He has served as orthopedic consultant for the Utah Jazz NBA franchise as well as team physician for the IHL Utah Grizzlies professional hockey team.

Currently, Dr. Winterton serves on the Board of Councilors for The American Academy of Orthopedic Surgeons. For a number of years he has advocated the integration and practical use of essential oils in his practice. As a member of the Scientific Advisory Board for dōTERRA, he is currently researching the basic science, cell biology, and clinical application of essential oils. He is a strong proponent of the practical use of essential oils and dietary supplements in the home, as well as in the traditional western medical clinical setting, particularly with regard to bone and joint well being.

Tonya has been a practicing Registered Nurse since 2001, earning her degree from Tennessee State University, with earlier experience as an EMT in 1996. Her experience is primarily in emergency and critical care nursing. She currently is a Charge Nurse in the Adult Emergency Department at Vanderbilt University Medical Center in Nashville, TN. Tonya has always had an interest in natural health care alternatives but quickly became immersed when introduced to essential oils in 2008, and has been a dedicated user, promoter, and educator ever since. She has experienced the healing properties and the healthful benefits of incorporating certified pure therapeutic grade essential oils into everyday living. Tonya is a strong proponent of self-care, disease prevention, and taking responsibility for your own wellness. One of her goals is to contribute to the integration of traditional and alternative health modalities. She is involved in leading a wellness initiative in the Emergency Department at Vanderbilt Medical Center and is involved in nursing research incorporating the use of essential oils in the hospital setting.

Teresa has been a registered nurse for over 10 years with the majority of her career in Emergency Nursing. She is currently a charge nurse in the Emergency Department at Vanderbilt University Medical Center in Nashville, Tennessee. She is passionate about health and wellness which has lead to her desire to learn, use, and share dōTERRA essential oils, Lifelong Wellness Supplements, and Skin Care Products with others. She and Tonya McBride, RN were pioneers in the initiation of a Wellness Committee within the Vanderbilt's Emergency Department which incorporates dōTERRA essential oils to enhance staff health and wellness. Teresa is an advocate for the use of dōTERRA essential oils integrated into the hospital setting to be studied for patient's response and outcomes.

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.

Jennifer is certified as a Specialist in Medical Microbiology with over 21 years experience in the medical field, as well as 16 years experience with fungal air sampling. She graduated from Colorado State University with a bachelor degree in Microbiology. Jennifer is the lead microbiologist at a local hospital and actively participates in best practice methods for helping find the most effective ways to care for patients. She is currently researching the effects of On Guard® on MRSA isolates and also comparing them to the efficacy of Melaleuca to MRSA.