Conseillers scientifiques

Russell Osguthorpe, MD

Médecin-chef

Dr. Russell Osguthorpe currently serves as the chief medical officer of doTERRA. He’s establishing a virtual healthcare delivery platform that’s focused on wellness and prevention through integrative, evidence-based medical practices. His work at doTERRA also revolves around directing research on the use of essential oils in healthcare settings. 

Dr. Osguthorpe received his medical degree from McGill University School of Medicine, completed his residency at the Children’s Hospital in Denver, and pediatric infectious diseases fellowship at Washington University School of Medicine. He’s currently a faculty member at the University of Utah in the Department of Pediatrics. 

He and his wife, Mary, have five children and one beautiful granddaughter. 

Nicole Stevens, PhD

Scientifique en recherche et développement

Nicole Stevens mène des recherches sur les huiles essentielles depuis plus de 15 ans. Elle est titulaire d’un baccalauréat en rédaction technique et d’une maîtrise en botanique et biologie intégrative de l’Université Brigham Young. Elle a travaillé dans des laboratoires de contrôle de la qualité dans l’industrie des produits nutraceutiques, ainsi que dans des laboratoires de recherche universitaire de l’Université de l’Utah et du Las Vegas Cancer Research Institute de l’Université du Nevada. En plus de la recherche, elle a enseigné la chimie et la biochimie à l’Université Brigham Young – Idaho et à l’Université du Nevada, à Las Vegas. Nicole se consacre à faire progresser notre compréhension des huiles essentielles par la recherche et l’éducation.

Dr. Prabodh Satyal, PhD

Conseiller scientifique en chef de l’APRC

Le Dr Prabodh Satyal est le conseiller scientifique en chef et le propriétaire de l’Aromatic Plant Research Center (APRC). Originaire du Népal, il possède une maîtrise et un doctorat en recherche sur les huiles essentielles à l’Université de l’Alabama, à Huntsville. Il a étudié les compositions chimiques de plus de 30 000 huiles essentielles provenant de diverses régions du monde, a publié plus d’une centaine d’articles de recherche dans des revues évaluées par des pairs et est analyste de pureté depuis près de 10 ans. Le Dr Satyal s’intéresse tout particulièrement à la détection de l’adultération des huiles essentielles au moyen d’une analyse par marqueur et a créé la seule bibliothèque de spectre de masse connue de marqueurs synthétiques. Il élabore actuellement le tout premier logiciel d’analyse de l’adultération par CPG-SM entièrement automatisée, qui indiquera le pourcentage de pureté, l’origine et les sources mixtes des huiles essentielles.

Aaron Sorensen

Vice-président de la qualité

Aaron poursuit actuellement un doctorat en biochimie et biologie moléculaire à l’Université de Miami. Il détient un diplôme de premier cycle en chimie et ingénierie des matériaux de l’Université d’Utah et une maîtrise en sciences de l’Université technique du Colorado.

Cécile Bascoul, MS, PhD

Director of Product Safety

Dr. Cécile Bascoul has over 15 years of experience in clinical and preclinical research; academic quality and toxicology; and the pharmaceutical, cosmetic, and nutraceutical industries.  

Prior to joining doTERRA, Cécile managed preclinical studies and early-stage clinical trials for new topical analgesics at a small pharmaceutical company in Houston, Texas. Her past work also includes various research positions at Pierre Fabre Dermocosmétique, Laboratoires Boiron, and CNRS in France, along with AstraZeneca, Obsidian Research, and Q-Chip in the UK.  

Cécile grew up in France and received her master’s degree in biotechnology from Ecole Supérieure d’Ingénieurs de Luminy. During her PhD and postdoctoral work at the UK School of Biosciences at Cardiff University, Cécile studied the effects of targeted dietary supplements on degenerative diseases. 

As director of product safety at doTERRA, Cécile’s research is focused on essential oil safety and toxicology, specific constituents, potential contaminants, and natural complex substance ingredients for cosmetic and nutritional use. Cécile establishes long-term relationships with research groups and institutions, focusing on these safety and toxicology interests. She enjoys mentoring junior scientists, helping others achieve their life goals, and working with bright, diverse, and dedicated teams. She’s passionate about lifelong learning, continuous improvement, and delivering high-quality, safe products for customers. 

Cécile loves flowers and believes strongly in giving back. As such, she volunteers as a wildflower guide and for other events. 

Alex DaBell, MS

Director, Nutraceuticals and Innovation

For over 15 years, Alex DaBell has worked with colleagues around the world to develop and design high-quality nutritional products. He enjoys learning about new discoveries in nutrition and brainstorming how those discoveries might make their way into new or existing doTERRA products. 

Alex has a master’s degree in physiology and developmental biology and a bachelor’s in biology, both from Brigham Young University, Provo. Alex is pursuing a PhD in biochemistry and molecular biology from the University of Miami’s Miller School of Medicine, studying metabolic regulation, biochemistry, nutritional epigenetics, and various aspects of essential oil chemistry on health and wellness. 

Alex, his wife, Lisa, and their four children enjoy going outdoors, playing boardgames, practicing the violin and piano, and trying new recipes. 

Brittany L. Graf, PhD

Managing Scientist of Essential Oil Development

Dr. Brittany L. Graf received her PhD in plant natural products in 2014 from Rutgers University, New Jersey. As the associate director of training for the Global Institute for BioExploration and a Fulbright Fellow, she partnered with universities, nonprofits, and local communities for eight years, exploring the antimicrobial and antioxidant activities of over 350 traditionally used medicinal plants in Bhutan, Chile, Cuba, Ecuador, Kenya, Namibia, and the US. 

Over the past five years in the personal care and supplements industries, Dr. Graf’s research has focused on agricultural and extraction technologies that enrich bioactive content in natural products and promote environmental sustainability. Her mission at doTERRA is to leverage the amazing Co-Impact Sourcing® framework to develop essential oil–based products that benefit humanity, while also improving the wellness of the planet and agricultural communities. She’s passionate about building team leadership, collaboration, and lasting positive changes on the local level and global scale. 

Scott A. Johnson, ND

Director of Research Substantiation

One of the most prolific natural medicine writers of the twenty-first century, Scott A. Johnson has empowered tens of thousands of people to realize greater natural wellness across more than a dozen books and over 300 articles in online and print publications.  

His research focuses on medicinal essential oils and their clinical application for the leading ailments afflicting modern society. He’s one of the world’s leading experts on essential oils and supercritical essential oils. Scott pioneered evidence-based essential oil therapy, which combines ancient healing practices with modern science to maximize their benefits. Another research focus for him is the safe use of essential oils, and he’s published internationally on the subject. 

His diverse educational background and work experience allow him to present complex health topics to any audience. He’s an acclaimed speaker and has delivered keynote presentations across North America, Europe, and Asia. He travels the globe, carrying his passion for people and natural medicine. 

Eva DeMarchi

Perfumer

Eva DeMarchi joined doTERRA as a perfumer in January 2022. She has over 20 years of experience in perfumery formulation and evaluation, developing exceptional olfaction skills over that time.  

She received an Advanced Perfumery certification from Pratt Institute and is excited to bring her expertise to the doTERRA Research and Development team, assisting in the creation of new essential oil formulas and products. 

Thao Le, BS

Scientifique principale en recherche et développement

Thao adore la science, comme en témoignent ses travaux sur les soins personnels et les produits ménagers depuis plus de seize ans. Avant de se joindre à dōTERRA en janvier 2015, elle a joué un rôle déterminant dans la création de produits de première qualité pour Arbonne, Nu Skin, Neways, Perricone, Pfizer, Procyte, Pharmacia Upjohn et bien d’autres au sein des laboratoires Sorenco.

Son expérience comme chimiste analytique chez Weider Nutrition International pendant plus de huit ans a forgé son expertise en formulation de produits cosmétiques. Passionnée par le fait de fabriquer les meilleurs produits en utilisant les ingrédients les plus innovants et sûrs, elle aime voir la satisfaction dans les yeux des représentants du bien-être après avoir testé nos produits. Thao a obtenu un baccalauréat en chimie de l’Université de l’Utah en 1999. Elle a fait partie de l’Intermountain West Society of Cosmetic Chemists et y a été secrétaire.

Noura Ahmed, PhD

Director of Scientific Affairs

Dr. Noura Ahmed is a member of the Essential Oil Science team and director of scientific affairs for doTERRA. Her focus is on natural product drug discovery (medicinal chemistry).

She received her bachelor’s of science degree with honors in biological sciences (botany) and master’s degree in phytochemistry, both from Suez Canal University, Egypt. In 2015, Dr. Ahmed was awarded a PhD in biotechnology science and engineering from the University of Alabama in Huntsville. She was a postdoctoral research fellow at the Department of Pharmacology in the Vanderbilt University School of Medicine.

Dr. Ahmed’s research is focused on natural products drug discovery, essential oils, and chemical ecology. She’s published over 70 research articles in peer-reviewed journals on the composition and bioactivity of essential oils from wild plants, drug discovery from nonvolatile plant components, drug discovery using nanotechnology, and lipid analysis using LC-MS/MS. She’s currently working on establishing a network of long-term collaborations and strategic partnerships with academia, the healthcare sector, and other research institutions to build a comprehensive biological activity database for doTERRA single essential oils and proprietary blends.

Damian Rodriguez, DHSc, MS

Scientifique en santé et activité physique

Le Dr Damian Rodriguez a passé la plus grande partie de sa vie à effectuer des recherches sur la nutrition, l’activité physique et les modes de vie associés à un bien-être optimal. Avant de se joindre à dōTERRA, il a travaillé dans la santé publique et comme spécialiste des forces et nutritionniste auprès d’athlètes professionnels et collégiaux. Il est titulaire d’un doctorat en sciences de la santé de l’université A.T. Still, où il a mené des recherches sur l’obésité et déposé une thèse sur les tendances en matière de comorbidités de l’obésité à l’échelle nationale. Il détient également une maîtrise en physiologie de l’exercice avec spécialisation en performance athlétique, un baccalauréat en science de la nutrition ainsi que de nombreuses certifications professionnelles en activité physique et en nutrition.

Le Dr Rodriguez est un athlète hors pair qui a compétitionné dans toutes les disciplines, de la dynamophilie au triathlon. Outre son intérêt pour la santé, il se passionne pour la sensibilisation aux troubles du spectre de l’autisme. Vivant lui-même avec le syndrome d’Asperger et ayant agi comme mentor auprès d’adolescents autistes, le Dr Rodriguez a écrit sur le sujet et donné des conférences à propos de son expérience en qualité de mari et de père présentant un trouble du spectre de l’autisme.

Brian Lawrence, PhD

Le Dr Brian M. Lawrence est né à Londres, en Angleterre, où il a travaillé à la fois comme technicien et directeur de laboratoire de chromatographie dans l’industrie pharmaceutique, tout en poursuivant des études en chimie. En 1960, il a reçu une bourse Fulbright pour étudier la chimie à Chicago. Il a également travaillé dans différents laboratoires avant de quitter ses études universitaires pour retourner dans l’industrie. Il a par la suite obtenu un doctorat en pharmacognosie à l’Université d’État de Groningue, aux Pays-Bas, tout en travaillant à plein temps au Canada. Le Dr Lawrence a été chercheur et directeur de recherche et développement jusqu’à sa retraite, en 2003. Il a ensuite lancé une société de conseil qui est encore active aujourd’hui. Il a publié plus de 80 articles et rapports de recherche et est depuis plus de 30 ans rédacteur du magazine Perfumer and Flavorist, pour lequel il écrit sur la science et les produits naturels. Le Dr Lawrence a également publié 13 livres et 18 chapitres de livres sur les huiles essentielles en plus d’avoir été rédacteur en chef des actes de conférence lors du 10e International Congress of Essential Oils, Flavors, and Fragrances. En 1989, il a fondé le Journal of Essential Oil Research dont il a été rédacteur en chef jusqu’en janvier 2010. Il fait toujours partie du comité de rédaction du JEOR.

Michael Scott

Director, Quality Control and Analytical Services

Michael Scott started his professional career in 1992 as a quality control microbiologist for Abbott Laboratories. He quickly worked his way into supervisory positions, encompassing the entire facility, and later became a quality engineer to assist with the spinoff of Abbott’s Hospital Products division into Hospira, which was later acquired by Pfizer.

After 12 years, he was lured away by a biotech startup called LabNow, which was ultimately unsuccessful; however, he had many highly successful experiences as a quality executive at prestigious companies like Tissue Genesis, Charles River Laboratories, Integra® Lifesciences, and Charlotte’s Web™ prior to joining doTERRA in March 2021.

Michael has a bachelor’s degree in biology from the University of Texas at Austin and a master’s in quality systems management from the National Graduate School of Business in Falmouth, Massachusetts.

He’s also a 3,000-hour instrument–rated private pilot and lifelong athlete who holds multiple championships in road and track cycling, as well as Brazilian jiujitsu. His free time is spent hiking, backpacking, hunting, and flyfishing, usually with his three dogs in tow.

萊安·凱勒

Director, Quality Assurance

Much of Ryan Keller’s career has been in the regulated industries of class II/III medical device in a myriad of roles, including process and manufacturing engineering, research and development, and quality engineering. Ryan has worked on projects involving stent grafts, heart valves, IV infusion therapy, orthopedic spinal implants, and more. Ryan has in-depth experience with quality management systems, including FDA, ISO, NSF, and TGA, among others. He’s responsible for leading internal and external audits to support international regulatory compliance for doTERRA. He’s trained in ASQ CQE, Six Sigma, and lean manufacturing principles and methodologies. As the director of quality assurance at doTERRA, Ryan enjoys working with a team of bright and dedicated employees. He’s passionate about continuous improvement, helping people live healthy lives, and delivering outstanding products to customers and business partners worldwide. Ryan graduated from the University of Utah in biomedical engineering and later pursued a master’s in business administration from Brigham Young University.

Dr. William Setzer

Will Setzer was born in Los Angeles, California. He started his academic career at the University of Alabama in Huntsville as assistant professor of organic chemistry in 1985. He served as professor and chair of the Chemistry department until his retirement in 2015.

Though Will has always had a casual interest in plants, ethnobotany, and herbal medicines, his research in natural products started in 1990 after a trip to the Monteverde Cloud Forest Preserve in Costa Rica. Along with Costa Rica, Will’s bioprospecting trips have taken him and his students to north Queensland, Australia, and the Bahamas, and he’s formed several fruitful collaborations with groups in Nigeria, Zimbabwe, Cuba, the Middle East, and South Africa. His research interests are in natural products, essential oils, chemical ecology, and molecular modeling.

Will received a bachelor’s degree in chemistry from Harvey Mudd College in Claremont, California, in 1973, and a PhD in organic chemistry from the University of Arizona in Tucson in 1981 under the direction of Professor Richard S. Glass. He was a postdoctoral associate in the laboratory of Wesley G. Bentrude at the University of Utah, Salt Lake City, and an Alexander von Humboldt research fellow, Universität Erlangen-Nürnberg, with Dr. Paul von Ragué Schleyer.