Global experts
Luigi Gratton
M.D., MPH – Vice President, Office of Health and Wellness
Chair, Herbalife Nutrition Advisory Board
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
Dana Ryan
Ph.D., MA, MBA – Director, Sports Performance, Nutrition and Education
Chair of the Fitness Advisory Board
John Heiss
Ph.D. – Vice President, Global Product Innovation
Member, Herbalife Nutrition Advisory Board