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Ray C. Carter, Jr.
Ray C. Carter, Jr.
President and Chief Executive Officer
Ray Carter oversees the strategic direction and day-to-day operations of Stemtech International, Inc., the ground-breaking direct seller of innovative nutritional, personal care and ECO products, based in South Florida. With Carter at the helm, Stemtech has grown rapidly, currently employing over 200 staff members who support operations in more than 50 countries on six continents. Stemtech is known worldwide as The Stem Cell Nutrition Company®, a leader in the new paradigm of wellness and the developer of a full line of products that enhance the body’s natural daily renewal system, adult stem cells. In the spirit of continuing innovation, in 2016 Stemtech expanded its line to include ECO products to protect the body’s stem cell system.

For 17 years prior to founding Stemtech in 2005, Carter directed growth in both private and public direct selling companies, from start-ups to Fortune 500 firms, including $250-million global organizations. Throughout his distinguished career, Carter has demonstrated extraordinary vision and business acumen that embraces all aspects of corporate management, including product development, procurement, manufacturing, sales and marketing, corporate administration, information systems and finance.

Under Carter’s leadership, Stemtech has earned a reputation as a significant player on the world stage, receiving a Rising Star Award from the Direct Selling Association in 2009 and being named to Inc Magazine’s list of the fastest-growing privately-owned U.S. based companies in four of the last six years, including the last three in a row.

A native of southern New Hampshire, Carter received a Bachelor of Science degree in Business Administration from the University of Maine in 1985 and graduated with honors from Southern New Hampshire University with a Master of Business Administration in Management in 1990. His facility with languages has enabled him to address international gatherings of Stemtech Independent Business Partners and global staff in more than a dozen native tongues.

John W. Meyer
John W. Meyer
Chief Operating Officer
With over 40 years’ business experience in logistics and management of projects, supply chain and staff, John oversees operations for Stemtech’s global company. In over ten years with Stemtech, he has supported openings of 51 national markets, serving as VP/Global Operations prior to his current position.

John is now responsible for global inventory management, purchasing and transportation, as well as for global Human Resources, Partner Services, Training, Information Technology, global facilities and for global manufacturing of nutraceuticals, cosmetics and ECO products.

Mira Gadzala
Mira Gadzala, Ph.D
Senior V.P. - Research & Development
Dr. Gadzala joins Stemtech to lead our company’s initiatives in research and development through our exciting second decade. She comes to us after five years as President and Founder of BioCell RejuvenationTM, a Florida company that provided vitamin-development companies, fitness clubs and alternative clinics with scientific analysis and personalized wellness programs for the revitalization and balance of bio-cellular and metabolic functions to meet the body’s requirements and fight diseases. Dr. Gadzala will be a key product formulator for Stemtech and will oversee all current and future clinical trials.

She has 25 years of hands-on experience in biomedical, orthomolecular and cellular medicine research, as well as expertise in developing and promoting novel research concepts for dietary product lines. Dr. Gadzala is also the author of a number of booklets, handbooks and articles published in The USA and Europe.

Currently a Board-certified Alternative Medical Practitioner and holder of advanced degrees in Alternative Medicine and Orthomolecular Health, Mira Gadzala achieved her Ph.D in Holistic Nutrition with Highest Honors in 2004 and her Master’s Degree in Cell Biology in 1976.

She is an accomplished public speaker and has completed specialized training in toxicology and pharmacology, clinical nutrition, holistic human development, mind/body healing & wellness, oriental & ayurvedic perspectives, and courses in nutrition focusing on aging, the musculoskeletal system, women & children and nutritional healing.

Anil Singh
Anil Singh
V.P. - Finance / Global Controller
Anil oversees the Global Finance function at Stemtech and is based in the Florida World Headquarters. Anil is a Certified Public Accountant and a Chartered Accountant from England and Australia. Anil has served at Price Waterhouse Coopers, CPAs.

Anil has more than twenty years’ experience in Financial Management. Prior to joining Stemtech, he held leadership positions with publicly listed and private companies in manufacturing and distribution. He has lived and worked in US, Australia, and England.

Mike Magolnick
Mike Magolnick
V.P. - Global Marketing
Mike Magolnick is a 20-year executive, a 3-time Bestselling Author and a popular keynote speaker in the areas of marketing, training and brand strategy. Mike is a social media pioneer with millions of connections, fans and followers. Over the past 20 years he has worked with hundreds of companies, including dozens of network marketing/direct selling companies on strategic planning for marketing, social media, reputation management, training, and overall growth.

Mike has been a recognized expert having been interviewed and/or appearing in print in the Wall Street Journal, the New York Times, American Venture Magazine, Direct Selling News, Entrepreneur Magazine, and The American Business Journal. Mike recently served as a two-term President of North Texas Mensa.

Don Karn
Don Karn
V.P. - Stemtech ECO-Products Division
With industry acumen and an ever-present tenacious spirit, Don Karn had nearly three decades of expertise in network marketing and executive sales prior to joining Stemtech. A true veteran in the health, wellness and fitness sectors who is best known for both his drive and leadership rapport, Don is a firm believer in maintaining strong relationships between the corporate team and Independent Business Partners in the field.

His impressive career in senior management and lead roles in major direct sales companies included eight years with Avon and more than 10 years with Shaklee, among others. Initially attracted to our company because of our ground-breaking stem cell nutrition, network marketing business model and innovation, in 2016 Don took on the leadership role in Stemtech’s ECO Products Division. This new division is developing innovative products to protect stem cells from outside environmental toxins, just as the company’s pioneering stem cell nutrition products support stem cells from the inside.

Don holds an MBA from Lehigh University’s College of Business and Economics in Pennsylvania. He is a Board member of the Association of Network Marketing Professionals, serves on committees of the Direct Selling Association and is a contributor to Networking Times.

Yanira Aguayo
Yanira Aguayo
Director - Regional Sales & Marketing, Americas
A seasoned professional in the development of international markets in large network marketing companies including Jafra Cosmetics, Arbonne and Shaklee, Yani first came to Stemtech to promote and support the growth of the huge Hispanic market in the Western hemisphere. Her expertise in strategic business planning, the development and presentation of localized training programs and the creation of compelling communications vehicles led to significant growth in markets including Russia, Indonesia and India, as well as throughout Latin America, during a career that has seen a continual accrual of new responsibilities and outstanding accomplishments.

A talented trainer in both English and Spanish, Yani holds a Bachelor of Science degree in Business Administration & Financial Accounting from Puerto Rico’s Inter-American University and is certified by the Coach Training AllianceTM as a Life & Professional Coach. She serves on the Research Committee and the Diversity & Empowerment Council of the Direct Selling Association.

Bill V. Panopoulos
Bill V. Panopoulos
Director - Regional Sales & Marketing, Europe, Middle East & Africa
Bill Panopoulos brings Stemtech his experience and expertise from 28 years in the Direct Selling profession. He helped start and successfully operate Nutrimetics, growing that company in 20 years to over 100,000 distributors who generated annual revenues of more than 36 million euros. Most recently, he was General Manager/Managing Director for Yves Rocher in Greece. At Stemtech, Bill is responsible to build and support our markets in Europe, the Middle East and Africa.

He is an accredited government-certified motivational speaker and coach who has trained over 60.000 sales people with programs focusing on sales and motivation. Bill is an inspirational leader with great people skills and management acumen and is a change agent who embraces the values of integrity, trust, respect and belief.

A Greek native who lived for 30 years in Australia, Bill is fluent in both English and Greek. He holds Masters degrees in Marketing, Business Administration and Human Resources and is a life member of the General Managers Association in Greece.

Royston Knowles
Royston Knowles
Managing Director - African Markets
Royston is a seasoned executive with over 45 years senior executive board level experience, holding managing director and chairman positions in both local and international companies across a wide spectrum of industries. His first Managing Director position of an International company was at the age of 24. In addition he has over 24 years’ experience in the Direct Sales/Network Marketing Industry.

He has extensive experience at a strategic level, the identification and set up of new businesses around the world, mergers and acquisitions, IP and trademarks, corporate legal contracts and agreements, business and organisational structuring, including operational and project management, trouble shooting, IT design and development, and sales and marketing.

In addition to his initial education, Royston ensured he kept up to date and relevant with business trends throughout his career by attending several internationally acclaimed Business Schools in various countries, notably: University of Rhodesia; University of Toronto, Canada; Wits University Johannesburg & University of Cape Town Business Schools, South Africa, and Harvard in the USA.

Ken Muir
Ken Muir
Managing Director - Southeast Asia
Ken has been involved in the direct sales and training industry for nearly 30 years, the last ten mostly in countries in the Asia-Pacific region. At Stemtech, he has assumed responsibility for management and growth of our markets in Indonesia, Singapore, the Philippines, Thailand and in Malaysia, where he resides.

He acquired wide experience through executive and consulting positions with a variety of sales/distribution organizations in Asia and Australia/New Zealand, where he demonstrated particular talents in the areas of restructuring for growth, strengthening corporate collaborative relationships and developing training for personal and business development.

Errol C. Lester
Errol C. Lester
Director, North America Field Support
Born and raised in South Africa, Errol Lester has more than 20 years of experience in managing successful network marketing enterprises. Errol demonstrates expertise as a primary field leader and has established offices for two international companies.

Prior to his current role with Stemtech, Errol held the position of executive vice president for AIM International where he was responsible for overseeing worldwide Business Partner relations and conducting regional training events. Other notable experience includes a stint as general manager of South African operations for Sportron International. Errol holds a degree in marketing. He has permanent resident status in the United States, where he lives with his wife, a university professor.



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