Lead Science Team

Dr. Russell Osguthorpe, MD

Chief Medical Officer

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, MS, MPH

Vice President of Clinical Research

Nicole has conducted essential oil research for over 25 years. She’s worked in quality control laboratories in the nutraceutical industry and academic research laboratories at the University of Utah and the University of Nevada, Las Vegas (UNLV) Cancer Research Institute. Alongside her research, she’s taught courses in chemistry and biochemistry at Brigham Young University–Idaho and UNLV.

Nicole has been researching doTERRA essential oils since the company was formed in 2008. Currently, she’s the vice president of clinical research. Her primary research revolves around essential oil biochemistry related to human application, among other topics actively being pursued by the clinical research team. Nicole’s research has provided novel evidence of essential oil metabolic, proteomic, and epigenetic mechanisms.

Nichole earned a Bachelor of Arts degree in technical writing and a Master of Science in botany—both from Brigham Young University—and a second master of science in public health from Purdue University. She completed her doctorate in biochemistry and molecular biology from the University of Miami Miller School of Medicine, investigating essential oil metabolomics and mechanisms of action.

Nicole holds a certified principal investigator (CPI) accreditation with the Association of Clinical Research Professionals and a certified clinical research professional (CCRP) endorsement with the Society of Clinical Research Associates. She’s also a certified phlebotomy technician (CPT) with IV specialization, a certified clinical medical assistant (CCMA), and a certified electrocardiography technician (CET).

Dr. Prabodh Satyal, PhD

Head of Essential Oil Science

Dr. Prabodh Satyal of Nepal is the head of essential oil science at doTERRA. He’s studied the chemical compositions of more than 50,000 essential oils from various parts of the world, published more than 100 research articles in peer-reviewed journals, and served as an essential oil expert for nearly 17 years. He’s also been invited to several renowned conferences as a guest speaker.

Dr. Satyal has a special interest in essential oil adulteration detection using marker-based and chemometric analyses, creating the only known mass spectral library of synthetic markers. He’s currently developing the first fully automated adulteration analysis software for GCMS, which will identify the purity percentage, origin, and mixed sources in essential oils. Dr. Satyal is passionate about collaborating with academics, medical professionals, and growers to improve the standard of essential oil research and applications globally.

Dr. Satyal earned his master’s and doctorate degrees in essential oil research from the University of Alabama in Huntsville.

Aaron Sorenson, MS

Vice President of Quality

Aaron Sorenson is pursuing a PhD in biochemistry and molecular biology from the University of Miami. He received undergraduate degrees in chemistry and material engineering from the University of Utah and a master’s of science degree from Colorado Technical University.

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 l, PhD(c), MS

Vice President of Global Nutraceuticals and Innovation

For nearly two decades, Alex has been at the forefront of designing and developing premium nutritional products, collaborating with experts globally to set new standards in the industry. His passion for nutrition drives him to constantly explore new discoveries and integrate them into innovative products.

Alex holds a Master of Science in physiology and developmental biology, as well as a Bachelor of Science in biology—both from Brigham Young University. He’s currently completing his doctorate in biochemistry and molecular biology at the University of Miami Miller School of Medicine. His research focuses on metabolic regulation, biochemistry, nutritional epigenetics, and health benefits of essential oil chemistry.

Known for his creativity and innovative approach, Alex continually seeks novel solutions to advance the field of nutraceuticals. And he remains a dedicated advocate for natural product solutions. He likes engaging with like-minded individuals worldwide, sharing his knowledge and enthusiasm for health and wellness products.

Outside of their professional pursuits, Alex, his wife Lisa, and their four children enjoy going on outdoor adventures, playing board games, and practicing the violin and piano. They also love exploring new cuisines.

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

Managing Scientist, Personal Care and Household Products

Thao has demonstrated her love of science over two decades of working on personal care and household products. Prior to joining doTERRA, she’s helped create world-class products for Arbonne^®, Nu Skin^®, Neways^®, Dr. Perricone, Pfizer, ProCyte, Pharmacia & Upjohn, and many more at Sorenco Laboratories.

Her key insights into cosmetic formulations started with her analytical chemist experience at Weider Global Nutrition, where she worked for eight years. She’s passionate about making the best products using the safest, most innovative ingredients. The satisfaction of consumers and Wellness Advocates after trying her products drives her to make more great products.

Thao earned a bachelor’s degree in chemistry from the University of Utah.

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 達米安·羅德里格斯

健康與運動科學家

達米安·羅德里格斯博士在研究與最佳健康狀態相關的生活習慣（如營養、運動和生活方式）方面擁有豐富的經驗。在加入doTERRA之前，他曾從事公共衛生工作，並擔任大學和職業運動員的力量和體能教練及營養師。

在doTERRA工作期間，羅德里格斯博士幫助撰寫多篇精油科學的研究報告，並擔任其他出版物的科學編輯，代表公司作為doTERRA健康生活專家。目前，他的研究重點是新陳代謝健康，並感到自豪能助力doTERRA成為全球健康領域的領導者。

羅德里格斯博士在斯蒂爾健康科學大學獲得健康科學博士學位，專注於肥胖問題，其論文研究了美國肥胖症及代謝並發症的趨勢。他還獲得運動生理學碩士學位，並持有營養科學學士學位及多項運動和營養相關的專業認證。

Brian Lawrence, PhD 布萊恩·勞倫斯博士

布萊恩·勞倫斯博士出生於英國倫敦，曾擔任跨國公司的研發總監和資深首席科學家，直到2003年退休。退休後，他創立了諮詢業務，並至今持續活躍。他發表了超過80篇原創文章和報告，並在《Perfumer & Flavorist香水師和香料師》雜誌擔任科學編輯和天然產品編輯長達30年。此外，他還出版了13本書籍、編寫了18個章節，以及400多篇與精油相關的原創文章和評論。

1989年，他創辦了《精油研究雜誌》（JEOR），並擔任主編至2010年，現在仍是編輯委員會成員。

勞倫斯博士在攻讀化學學位期間，於倫敦擔任製藥技術人員和色譜實驗室管理員。1960年，他獲得Fulbright富布來特獎學金，在芝加哥學習化學。之後，他在荷蘭格羅寧根州立大學獲得藥物認知學博士學位，並在加拿大全職工作。

Michael Scott 邁克爾·斯科特

質量控制和分析服務部總監

邁克爾·斯科特於1992年作為雅培實驗室的一名質量控制微生物學家開始了他的職業生涯。他很快就晉升為工廠管理人員，後來成為質量工程師，協助雅培的醫院產品部門從母公司分拆至Hospira赫士睿，該部門後來被輝瑞公司收購。

12年後，他被一家名為LabNow的生物技術創業公司吸引，但最終未能跳槽成功。在2021年3月加入doTERRA之前，他在Tissue Genesis、Charles River Laboratories、Integra® Lifesciences及Charlotte's Web™等知名公司擔任質量主管，期間累積了豐富的成功經驗。

邁克爾榮獲德克薩斯大學奧斯汀分校的生物學學士學位，以及位於馬薩諸塞州法爾茅斯的國家商業研究學院的質量體系管理碩士學位。

此外，他是一名擁有3000小時飛行經驗的儀表級私人飛行員及運動員，曾多次在公路和場地自行車賽，以及巴西柔術比賽中獲得冠軍。在空閒時間，他喜歡徒步旅行、背包旅行、打獵及釣魚，並常與他的三隻狗同行。

Ryan Keller 萊安·凱勒

質量保證總監

萊安·凱勒的職業生涯主要集中在II/III類醫療器械的監管行業，他曾擔任多個職位，包括工藝和製造工程、產品研究及開發，以及質量工程管理。萊安參與的項目涉及覆膜支架、心臟瓣膜、靜脈輸液療法及骨科脊柱植入物等。

他對質量管理體系有深入認識，包括FDA、ISO、NSF和TGA等機構的標準。他負責領導內部和外部審計，以確保doTERRA在國際上的合規性，並接受過ASQ美國質量學會的培訓，擁有CQE質量鑑定工程師、Six Sigma及精益生產的資格。

作為doTERRA的質量保證總監，萊安喜歡與一群開朗且敬業的專業團隊一起合作，熱衷於持續改善產品質量，幫助人們享受健康生活，並為全球客戶和商業夥伴提供高質量的產品。

萊安畢業於猶他大學的生物醫學工程系，並在楊百翰大學攻讀工商管理碩士學位。

Dr. William Setzer 威爾·塞澤博士

威爾·塞澤博士出生於加利福尼亞州洛杉磯。他於1985年在亨茨維爾的阿拉巴馬大學擔任有機化學助理教授，這是他職業生涯的起點，之後一直擔任化學系的教授及系主任，直至2015年退休。

儘管威爾一直對植物、民族植物學和草藥深感興趣，但他對天然產品的研究始於1990年的一次哥斯達黎加之旅，當時探索了加蒙特維德雲霧森林保護區。除了哥斯達黎加，威爾還與學生前往澳大利亞昆士蘭北部及巴哈馬進行生物勘探，並與尼日利亞、津巴布韋、古巴、中東和南非的團體建立了多項合作關係。他的研究興趣包括天然產品、精油、化學生態學和分子建模。

威爾於1973年在加州克萊蒙特的哈維馬德學院獲得化學學士學位，並於1981年在亞利桑那大學獲得有機化學博士學位，師從理查德·格拉斯教授。他曾在猶他大學的Wesley G. Bentrude實驗室進行博士後研究，並在德國的埃爾朗根—紐倫堡大學跟隨保羅·馮·拉居·施萊爾博士進行研究。