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Luigi Gratton

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

David Heber-image
David Heber

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

Gary Small-image
Gary Small

M.D. – Member, Herbalife Nutrition Advisory Board

Luigi Gratton-image
Luigi Gratton

M.D., MPH – Vice President, Office of Health and Wellness
Chair, Herbalife Nutrition Advisory Board

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

John Heiss-image
John Heiss

Ph.D. – Vice President, Global Product Innovation
Member, Herbalife Nutrition Advisory Board

 

Rocio Medina Badiano-image
Rocio Medina Badiano

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

Marien Garza Gordoa-image
Marien Garza Gordoa

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

​​Mario Alberto Molás Ramírez​ -image
​​Mario Alberto Molás Ramírez​

M.D. – Member, Herbalife Nutrition Advisory Board

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.​