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 has 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 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 is 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 is 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 dōTERRA. 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 dōTERRA, 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 dōTERRA, 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

Damian has spent most of his life researching nutrition, exercise, and lifestyle behaviors associated with human performance and optimal wellness. Prior to joining dōTERRA, Damian worked in public health and as a strength and conditioning coach and nutritionist for collegiate and professional athletes.

In his time with dōTERRA, Damian has helped write numerous essential oil scientific studies, served as the scientific editor for other publications, and represented the company as a healthy lifestyle expert. Currently, he’s focusing on metabolic health and is excited to help dōTERRA expand its influence as a global leader in the wellness industry.

Damian has a doctorate in health sciences from A.T. Still University, where he researched weight. He also earned a Master of Science degree in exercise physiology, with an emphasis on athletic performance; a Bachelor of Science in nutritional science; and numerous professional certifications in exercise and nutrition.

布莱恩·劳伦斯博士

布莱恩·劳伦斯博士出生在英国伦敦。他曾在一家跨国公司担任研发总监，并在另一家跨国公司担任资深首席科学家，直到2003年退休。然后他开始了咨询业务，一直持续到今天。他发表了80多篇原创文章和报告，并担任了30年的《Perfumer & Flavorist香水师和香料师》杂志的科学编辑和天然产品编辑。在过去的50年里，劳伦斯博士还出版了13本书、编写了18个章节，以及400多篇与精油相关的原创文章和评论。

1989年，他创办了《精油研究杂志》（JEOR），并担任主编直至2010年1月。现在他仍然是JEOR编辑委员会的成员。

劳伦斯博士在攻读化学学位的同时，也在伦敦担任制药领域的技术人员和色谱实验室管理员。 1960年，他获得了Fulbright富布来特奖学金，并在芝加哥学习化学。他在完成学业回到工业领域之前，曾在不同的实验室工作过。后来，他在荷兰格罗宁根州立大学获得了药物认知学的博士学位，同时在加拿大全职工作。

迈克尔·斯科特

质量控制和分析服务部总监

迈克尔·斯科特于1992年作为Abbott Laboratories雅培实验室的一名质量控制微生物学家开始了他的职业生涯。他很快就晋升成为监管整个工厂的管理人员，后来成为一名质量工程师，协助雅培的医院产品部门从其母公司脱离到Hospira赫士睿，该部门后来被辉瑞公司收购。

12年后，他被一家名为LabNow今日实验室的生物技术创业公司吸引了，但最终没有跳槽成功。在2021年3月加入doTERRA之前，他在Tissue Genesis组织起源公司、Charles River Laboratories查尔斯河实验室、Integra^® Lifesciences英特格拉生命科学控股公司和Charlotte's Web™夏洛特的网等知名公司担任质量主管，期间累积了许多非常成功的经验。

迈克尔荣获德克萨斯大学—奥斯汀分校的生物学学士学位，以及位于马萨诸塞州法尔茅斯的国家商业研究学院的质量体系管理硕士学位。

他还是一名3000小时仪表等级的私人飞行员和运动员，他曾多次获得公路、场地自行车赛和巴西柔术的冠军。他空闲的时候喜欢徒步旅行、背包旅行、打猎和用假蝇钓鱼，他的三只狗通常会相伴随行。

莱安·凯勒

质量保证总监

莱安·凯勒职业生涯中的大部分时间是在II/III类医疗器械的监管行业中工作。他在这些产业里担任过许多角色，比如工艺和制造工程、产品研究和开发以及质量工程管理。莱安曾参与的项目涉及覆膜支架、心脏瓣膜、静脉输液疗法、骨科脊柱植入物等。莱安对质量管理体系有深刻的认知，包括FDA食品及药物管理局、ISO国际标准化组织、NSF美国国家科学基金会和TGA治疗产品管理局等。他负责领导内部和外部审计，以确保doTERRA国际监管的合规性。他接受过ASQ美国质量学会、CQE质量鉴定工程师、Six Sigma六西格玛管理和精益生产原则和方法的培训。

作为doTERRA的质量保证总监，莱安喜欢和一群开朗且敬业的专业团队一起工作。他热衷于持续改进方案中的不足，帮助人们享有健康的生活，并为全球客户和商业合作伙伴提供质量高的产品。

莱安毕业于犹他大学的生物医学工程系，后来又在杨百翰大学攻读了工商管理硕士学位。

威尔·塞泽博士

威尔·塞泽出生于加利福尼亚州的洛杉矶。他于1985年在亨茨维尔的阿拉巴马大学担任有机化学助理教授，这是他职业生涯的起点。他一直担任化学系的教授和系主任到2015年退休。

尽管威尔一直对植物、民族植物学和草药深感兴趣，但他对天然产品的研究始于1990年的一次旅行—哥斯达黎的加蒙特维德云雾森林保护区。除了哥斯达黎加，威尔还与他的学生到昆士兰北部、澳大利亚和巴哈马进行生物勘探之旅。此外，他还与尼日利亚、津巴布韦、古巴、中东和南非的团体建立了几个富有成效的合作关系。他的研究兴趣包含天然产品、精油、化学生态学和分子建模。

威尔于1973年在加州克莱蒙特的哈维马德学院荣获化学学士学位，并于1981年在图森的亚利桑那大学荣获有机化学博士学位，师从理查德·格拉斯教授。他曾在盐湖城犹他大学Wesley G. Bentrude威斯利·本途德的实验室做博士后助理研究员，并在埃尔朗根—纽伦堡大学跟随Paul von Ragué Schleyer保罗·冯·拉居·施莱尔博士做Alexander von Humboldt亚历山大·冯·洪堡的研究员。