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Who's Speaking

USANA Executive Speakers

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Dr. Myron Wentz
USANA Founder and Chairman of the Board
 Dr. Myron Wentz is an internationally recognized microbiologist, immunologist, and pioneer in the development of human cell culture technology and infectious disease diagnoses. Author of A Mouth Full of Poison, Invisible Miracles, and the New York Times bestseller The Healthy Home,
Dr. Wentz is also the founder of Sanoviv Medical Institute, a holistic integrative medical center and hospital in Baja, California. He is a passionate philanthropist, supporting a wide range of humanitarian causes, including multiple Mercy and Medical Centers to help orphaned children throughout the world. In 2007, Dr. Wentz was honored in Jerusalem with the Albert Einstein Award for Outstanding Achievement in the Life Sciences.

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Kevin Guest
Chief Executive Officer
 
As USANA’s chief executive officer, a member of the board of directors, and a member of the Direct Selling Association’s board of directors, Kevin Guest provides strategic direction to USANA’s global management team and visionary leadership to hundreds of thousands of Associates and employees worldwide.

Prior to joining USANA, Kevin produced events and multimedia projects for renowned businesses such as Bank of America, Clorox, Sun Microsystems, Chase Manhattan, Sears, and Chevron/Texaco, with many of these productions airing in markets worldwide. Having worked with USANA for more than 25 years, Kevin is known for his enthusiasm for direct sales, integrity, and dedication to USANA Founder Dr. Myron Wentz’ vision. When he’s not at work, Kevin enjoys spoiling his five grandchildren and playing guitar and bass in his music studio.

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Jim Brown
President of USANA
 
Jim Brown joined USANA in 2006 as vice president of operations. After serving in multiple roles, Jim was appointed president and chief operations officer in 2016, and most recently, president. In his current role, Jim is responsible for operations, information technology, research and development, quality and regulatory, global sales, and USANA’s China market. Jim has bachelor’s degrees in computer science and math, plus an MBA from Francis Marion University.

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David Mulham
Chief Sales Officer
 
Along with his 10 years at USANA, David Mulham brings an extensive 30-year background in commercial business development and direct selling, both in Australia and internationally. His passion for the USANA business and our Associates’ success is the foundation for his disciplined and driven approach to make USANA a global household brand. Providing executive oversight for global sales (outside of China), he is dedicated to the pursuit of achieving USANA’s vision to be the healthiest family on Earth. David won the Silver Stevie Award in 2015 for Executive of the Year—Health Products & Services and Pharmaceuticals. A father of six children and a grandfather of two, David enjoys an active, healthy lifestyle and is a keen surfer.

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Dan Macuga
Cheif Communications and Marketing Officer
 
Dan Macuga is responsible for USANA’s global brand and reputation management, implemented through strategic marketing, communications, and public relations initiatives. Dan oversees multiple departments at USANA, including marketing, customer service, public relations, social media, and communications.

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Dr. Rob Sinnott
Chief Science Officer
 
With over 25 years of experience and leadership in life sciences, chemistry, biotechnology, and nutrition, Dr. Rob Sinnott has held numerous scientific and leadership roles in the nutritional supplement industry. He holds degrees in biological science and natural science, and a doctoral degree in plant sciences from Arizona State University, with a focus on applied biological sciences, including biotechnology and plant medicinal chemistry. In addition, he completed postgraduate work at Harvard Business School, Wharton, University of Chicago, London Business School, Massachusetts Institute of Technology, and Hong Kong University of Science and Technology, which focused on strategic R&D management and leading product development. Rob has been a chief scientific officer for over 15 years. He is married with three sons and lives in Park City, Utah.

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Sherman Ying
Executive Vice President of Asia Pacific
 
Sherman Ying has been with the USANA family since 2004. He offers a wealth of experience in network marketing, as well as first-rate knowledge to foster strong Associate relationships. In his current role as executive vice president of Asia Pacific, Sherman provides executive oversight and continues to lead Taiwan, Hong Kong, Korea, Japan, Singapore, Malaysia, Thailand, Indonesia, Philippines, Australia, and New Zealand.

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Ashley Collins
Executive Vice President of Marketing and Public Relations
 
Ashley Collins has more than 20 years of experience in public relations, marketing, communications, and advertising. A graduate of Utah State University with a BS in English, she joined USANA in 2000 and has made a positive impact ever since. In 2016, Ashley was promoted to VP of marketing and public relations. In this role, she is responsible for the public relations, social media, and marketing departments. Her expertise is in new product development and boosting current product sales. Named one of Utah Business Magazine’s 30 Women to Watch, Ashley’s leadership does not end with USANA; she is on the Leadership Council for Utah’s first National Women’s Soccer League team, Utah Royals FC, as well as on the board of the Legal Aid Society—a nonprofit for low-income families and individuals.

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Keynote Speakers

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Dr. Mehmet Oz
Cardiothoracic surgeon and talk show host

Dr. Mehmet Oz is a four-time Daytime Emmy® Award–winning host of the five-time Daytime Emmy® Award–winning The Dr. Oz Show, as well as, an Attending Physician at NY Presbyterian-Columbia Medical Center. Author of over 400 original publications, including book chapters and medical books, Dr. Oz has numerous patents and participates in dozens of heart surgeries a year. In addition to belonging to every major professional society for heart surgeons, he has received numerous awards and accolades for his service to medicine. Dr. Oz is annually elected as a highest quality physician by the Castle Connolly Guide as well as other major high-ranking groups.

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Dr. Jennifer Lee
Board-certified dermatologist

Dr. Jennifer Lee is the founder and medical director of REN Dermatology & Laser Center, a comprehensive medical and cosmetic skincare center in Nashville, Tennessee. Dr. Lee graduated from Harvard Medical School and is a board-certified dermatologist. She has been a member of the clinical faculty at Harvard Medical School and Vanderbilt University Medical Center. She is a fellow of the American Academy of Dermatology and serves as a USANA consultant. As a diplomate of the American Academy of Dermatology, she specializes in the diagnosis and management of skin disease. Dr. Lee has received numerous recognitions, including Top Doctor in Nashville, Teacher of the Year at Vanderbilt, and 40 Under 40 by the Nashville Business Journal.

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