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Executive Council

Kirk Jowers

Chief Executive Officer and Founding Executive

David Stirling is the founder and Chief Executive Officer of doTERRA whose visionary leadership has established the company as the world’s largest and most trusted essential oils organization. Known for his ability to inspire enduring global growth, David has guided doTERRA’s expansion into international markets and continues to champion industry-leading Co-Impact Sourcing® initiatives that empower communities and create lasting impact worldwide.
 
Following his return in the summer of 2025, David officially resumed the role of Chief Executive Officer, reuniting with the doTERRA community and deepening his commitment to the company’s mission, people, and purpose. He also continues to serve as Chairman of the Board, providing strategic oversight and long-term vision as the company moves forward.
 
Throughout his career, David has modeled people-first leadership, mentoring others with humility, integrity, and a service-driven mindset. He considers his greatest accomplishments not only the growth of the company, but the relationships built, lives impacted, and opportunities to serve that have emerged through doTERRA’s global reach and influence.

Jessica Moultrie

President of North America

Jessica is in her 15th year at doTERRA, where she found a powerful platform to teach, lead, and mentor. After discovering doTERRA’s essential oils, she built a Presidential Diamond organization and founded BTE (Best Team Ever), a community focused on health education, confidence, and financial empowerment.
 
Through relationship-driven leadership, Jessica has developed high-ranking leaders and empowered countless individuals to trust themselves, grow their capabilities, and create meaningful impact. Her work consistently reflects the belief that sustainable growth is built on trust — trust in the product, trust in the company, and trust in oneself.
 
Now serving as President of North America on the corporate side at doTERRA, Jessica brings a rare blend of field experience and strategic leadership. She is focused on evolving doTERRA’s sales model to better align with field reality, strengthen relevance, and support healthy duplication through education, clarity, and leader enablement — rooted in the belief that doTERRA is, at its core, a relationship business.
 
Jessica, her husband, K.C. and her 3 daughters continue to thrive, inspired by a lifestyle centered on purpose, service, and community.

Murray Smith

President

Since joining doTERRA in 2014, Murray has worked in several key roles, including Vice President of Europe, President of EMEA, and Executive Vice President of International. He and his wife Heidi lived in Salzburg, Austria and Munich, Germany for doTERRA, where for a combined 5 years, Murray focused on developing strong teams in the younger markets.

Prior to doTERRA, he held key leadership positions at several companies that always focused on people and achieving success. His significant depth of knowledge across multiple functions has elevated his focus in helping doTERRA accomplish its objective of Tripling its Impact by 2030.

In his current role as President of doTERRA, Murray enjoys engaging with doTERRA markets all around the world to help and support their success. His strategic approach to partnering closely with Wellness Advocates has been instrumental in fostering growth across doTERRA markets.

He graduated from Brigham Young University with an MBA. Murray loves spending time with his wife Heidi, their 4 kids, and 6 grandchildren.

Drew Wolfert

Chief Financial Officer

In 2008, Drew Wolfert was hired as the fourth employee of doTERRA. He began answering customer calls, filling essential oil bottles, and performing ad-hoc financial analysis, but eventually transitioned into the Finance department preparing monthly, quarterly, and annual reports. After receiving his bachelor's and master's degrees in accounting from Brigham Young University, Drew accepted a position in New York City with PwC, a global network of firms delivering world-class assurance, tax, and consulting services.

Drew, while at PwC, worked with many Fortune 100 companies, building various financial models to improve profitability. In 2016, Drew was invited back to Utah to serve as doTERRA's Corporate Treasurer. Other roles have included managing Corporate Development and Strategy and serving as General Manager of Europe Central. Today, Drew serves as doTERRA's CFO and is responsible for all financial functions for the world's largest essential oil company.

Shannon Bible

Chief Experience Officer and Executive Vice President of North America

Shannon has been with doTERRA since 2013 and brought with her over a decade of experience in direct sales, marketing, events, and recognition management. Since joining doTERRA, she has helped develop the recognition and leadership services strategies, initiatives, and processes to help support business, events, and leadership growth. She was appointed to doTERRA's Executive Council in 2022 to lead and establish the company's Customer Experience initiative. In this role, Shannon has loved working with doTERRA’s internal teams as well as field Leaders to find solutions and continue to improve programs, processes, and experiences.
 
In 2024, Shannon was promoted to Chief Experience Officer and Executive Vice President of the North America market. She is passionate about providing outstanding leadership support and an innovative customer experience in all aspects of the business. In this expanded role, Shannon is thrilled to be partnering with the doTERRA Leadership Team as well as the Chief Field Officers to lead and grow doTERRA’s North America market.
 
Shannon graduated with Honors from Brigham Young University with degrees in English and Business Management. She lives in Utah and loves planning adventures with her husband and three lively children.

Isaac Wilson

Executive Vice President of Strategy

Isaac joined doTERRA in 2014 and has worked in various roles for the company, including Assistant Treasurer, Director of Corporate Development, Managing Director of doTERRA Europe, and Vice President of Europe & Africa. In his current role, Isaac leads doTERRA’s Europe and African dedicated teams as they support their leaders and build two key doTERRA markets for the future. He is passionate about helping leaders succeed and growing doTERRA’s impact in Europe, Africa, and around the world. He is grateful to be a part of an organization that provides so much purpose, enjoyment, and many great relationships with people all over the world.
 
Isaac received bachelor's and master's degrees in accountancy from Brigham Young University and was licensed as a certificate public accountant in the United States. He currently lives in Mapleton, Utah with his wife Rachel and their four daughters.

Mark Wolfert Jr.

Chief of Staff to the CEO

Mark's journey with doTERRA began in the company’s early days, working in the call center while attending college. Even then, his focus was clear: ensure every customer felt heard, supported, and valued. After graduating with bachelor’s and master’s degrees in accounting from Brigham Young University, Mark moved to San Francisco, where he spent three years as a financial consultant, advising some of the world’s top technology companies.
 
Mark returned to doTERRA with a strong foundation in corporate finance and a deep passion for the company’s mission. Since then, he has taken on key leadership roles, including managing the Corporate / Business Development and Financial Planning & Analysis teams. Today, Mark serves as Chief of Staff to Kirk Jowers and Vice President of Europe.
 
Driven by doTERRA’s mission to help the world heal, Mark finds daily purpose in building a company that prioritizes integrity, service, and health. Mark's enthusiasm for doTERRA’s products and mission is contagious!

Dr. Russell Osguthorpe

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.

Dave Doxey

General Counsel

David Doxey is doTERRA’s General Counsel and Corporate Secretary. Since joining doTERRA, in 2011, David has had broad responsibilities over all legal matters, including the legal work to open many of the company’s markets. His attention now focuses on management, major business initiatives, tax and corporate structuring, litigation, corporate governance, and essential oil sourcing.
 
Prior to joining doTERRA, David practiced law in both public and private sectors and represented governmental agencies, private companies, and individuals in complex litigation, transactional, and administrative matters. He tried over fifty jury trials to verdict.
 
David received a Bachelor of Arts from Brigham Young University in Economics and his Juris Doctor from the J. Reuben Clark Law School at Brigham Young University. He is married to Leslie Bertoch and his greatest enjoyment is being with Leslie and their four children and grandchildren.

Chris Farnsworth

Vice President of Human Resources

As Senior Vice President of Human Resources (HR) for doTERRA, Chris Farnsworth oversees the human resources department in service of doTERRA’s 4,000 global employees and partners with the CEO in driving the company’s organizational and talent strategy.
 
Prior to joining doTERRA, Chris was an HR Director with Procter and Gamble with assignments in Cincinnati, Ohio, and Sacramento, California. Chris earned an MBA from BYU’s Marriot School of Business with an emphasis in Organizational Behavior and Human Resources (OBHR). While in school, he was recognized as a Hawes Scholar for his academic achievements and leadership. Prior to Business School, Chris spent three years as a Licensed Investment Broker for Fidelity Investments in Salt Lake City, Utah.
 
Outside of work, Chris enjoys spending time with his family (wife Brooke and six – yes six! – daughters), enjoying the great outdoors, playing the guitar, and cheering on his beloved Utah Jazz.

John Visser

Executive Vice President of Operations

John joined doTERRA in July 2018 as the Vice President of Global Logistics. He currently serves as Executive Vice President of Operations. Previously, he was at Walmart, Inc. for almost 19 years where he had various responsibilities, his last being Vice President of International Fresh Food Manufacturing. Among other roles, he was Vice President of International Transportation, Vice President of Walmart Central America Supply Chain, Senior Director in Global Produce Sourcing and completed expat assignments in Japan and China as well as working extensively in Latin America.
 
Prior to joining Walmart, John worked for a 3rd party logistics service provider and was the National Account Manager for Walmart, Inc. He managed their Laredo / El Paso offices responsible for distribution, transportation and import services in and out of Mexico.
 
John received his Bachelor of Arts from Brigham Young University (BYU) in Spanish Translation and his MBA from the Thunderbird School of Global Management. He currently serves on the Global Supply Chain Advisory Board for BYU.

Boyd Blake

Chief Information Officer

Boyd Blake is a technology leader with many years of experience driving transformation and IT initiatives. At doTERRA, he leads the global IT organization which provides technology platforms and tools for our amazing Wellness Advocates and Customers.
 
Boyd has degrees in Computer Science and Business Administration, both from Brigham Young University (BYU). His 32 years of technology and leadership experience at Shell Oil Company, NuSkin, and doTERRA, have equipped him to lead and execute doTERRA’s technology vision and transformation into the future.
 
Beyond his professional accomplishments, Boyd is a dedicated family man. He is married to his wife, Tamela, and they have four children and four grandchildren. He enjoys hiking, traveling, pickleball, and all things BYU sports. He is also known to make a pretty good chocolate chip cookie.

Taylor MacKay

Vice President of Strategic Sourcing

Taylor joined doTERRA in 2012, initially working in finance where he oversaw many accounting and treasury functions during the company’s early years of rapid growth. He then joined the newly established sourcing team where he spent nine years living and working in Europe and Africa helping develop doTERRA’s Co-Impact Sourcing strategy and global sourcing network.
 
He currently serves as the Vice President of Strategic Sourcing at doTERRA, channeling his passion for social impact strategy with an amazing team. Taylor firmly believes in the transformative power of business driven by purpose. He loves doTERRA for its commitment to making a positive difference in the world and its community of dedicated Wellness Advocates, employees, and partners working together as a force for good.
 
With more than 15 years of living and working in social impact sectors around the world, Taylor brings a global perspective to his role. He holds a bachelor’s degree in accounting, a certificate in social impact strategy, and an MBA from the University of Oxford.
 
Taylor and his wife Mandy have two children who love exploring our beautiful planet and its diverse cultures.

Andy and Natalie Goddard

Chief Field Officer

Andy and Natalie Goddard believe that you were born to be free and that doTERRA is the best vehicle to build that freedom—in your wellness, finances, and mindset.
 
Natalie’s background is in marriage, family, and human development, while Andy specializes in graphic design, marketing, and training. They’ve loved bringing their unique backgrounds together to create a thriving marriage and family, a team of over 2 million families, and more than 800 Diamonds. They’ve also coauthored the Empowered Success system and a new home and event center, along with developing the Essential Emotions book, app, and coaching certification.
 
Andy and Natalie have been sharing essential oils for more than 15 years, learning and mentoring successful Wellness Advocates along the way. They believe success is best when it’s shared! They’re full of gratitude for the opportunity to work with so many incredible people who inspire them every day.

Melyna Williams

Chief Field Officer

Melyna Williams is a devoted mother of four beautiful children, a Presidential Diamond, and a residual income strategist.
 
Seeing the struggles of her single mother balancing work while raising four children, Melyna vowed as a child to create a passive income in her life, gifting herself as many precious moments with her family as possible. She believes the amazing doTERRA Compensation Plan lets you build the business you want while living the life you love, and she stands strongly against creating success at the cost of your family or your health.

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