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Our experts

Our doctors, trainers, dietitians and advisory board members include internationally recognized experts and key opinion leaders. With specializations in nutrition, fitness and public health, they guide research that drives product innovation. They educate and train our Herbalife Independent Distributors who then guide and support their customers to achieve their goals and live their best lives.

Global experts

  • Krissy Ladner-image

    Krissy Ladner

    M.S., R.D., CSSD, CPT, DHSc – Director, Sports Performance and Nutrition Education

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  • David Heber-image

    David Heber

    M.D., Ph.D., FACP, FASN – Chairman, Herbalife Nutrition Institute

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  • Gary Small-image

    Gary Small

    M.D. – Member, Herbalife Nutrition Advisory Board

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  • Luigi Gratton-image

    Luigi Gratton

    M.D., MPH – Vice President, Office of Health and Wellness

    Chair, Herbalife Nutrition Advisory Board

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  • John Heiss-image

    John Heiss

    Ph.D. – Vice President, Global Product Innovation

    Member, Herbalife Nutrition Advisory Board

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  • Rocio Medina Badiano-image

    Rocio Medina Badiano

    M.D. – Cochairperson and Member, Herbalife Nutrition Advisory Board

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  • Marien Garza Gordoa-image

    Marien Garza Gordoa

    LNCA, R.D., E.D., CIP - Member, Herbalife Dietetic Advisory Board

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  • Mario Alberto Molás Ramírez-image

    Mario Alberto Molás Ramírez

    M.D. – Member, Herbalife Nutrition Advisory Board

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  • Susan Bowerman-image

    Susan Bowerman

    M.S., R.D., CSSD, CSOWM, FAND – Senior Director, Worldwide Nutrition Education and Training Chair, Herbalife Dietetic Advisory Board and Outer Nutrition Advisory Board

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Dr. Rocio Medina Badiano, Dr. Gary Small, and Dr. Luigi Gratton meet in a panel at Mexico's '23 Extravanganza.

Expert Advisory Boards

Herbalife’s global network of over 80 experts forms the foundation of our advisory boards, including the Nutrition Advisory Board, Dietetic Advisory Board, Fitness Advisory Board and Outer Nutrition Advisory Board. By educating and empowering Distributors, these advisory boards ensure that product knowledge is accurate, credible and impactful. Their guidance helps maintain the company’s high standards in product development, customer education and overall wellness philosophy, reinforcing our purpose to improve lives around the world.

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