Lead Science Team

Dr. Russell Osguthorpe, MD

CMO, (Chief Medical Officer)

Dr. Russell Osguthorpe currently serves as chief medical officer at doTERRA. He’s establishing a network of primary care clinics focused on wellness and prevention through integrative, evidence-based medical practices. He’s also researching the use of essential oils in healthcare settings.

Dr. Osguthorpe received his medical degree from the McGill University School of Medicine, completed his residency at the Children’s Hospital in Denver, Colorado, and pediatric infectious diseases fellowship at Washington University School of Medicine.

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.

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。