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Management, Directors, and Experts

Leadership

Company Leaders and Experts

Our executive management and board of directors bring a wealth of experience, innovative thinking, and diverse, global perspectives to drive the success and long-term strategy of the Company. Similarly, our global team of experts and advisory boards share their expertise and train our independent distributors in the areas of nutrition, wellness, and fitness, based on the latest science and research.

Management Board of Directors Global Experts
Michael O. Johnson
Michael O. Johnson

Chairman and Chief Executive Officer

Alex Amezquita
Alex Amezquita

Chief Financial Officer

Bosco Chiu
Bosco Chiu

Chief Risk Officer

Stephen Conchie
Stephen Conchie

Regional President, Asia Pacific and China

Stephan Gratziani
Stephan Gratziani

Chief Strategy Officer

Tom Harms
Tom Harms

Senior Vice President, Global Customer Retention

Edi Hienrich
Edi Hienrich

Regional President, EMEA Region (Europe, Middle East and Africa) and India

Bobby J. Irani
Bobby J. Irani

Senior Vice President, Principal Accounting Officer

Frank Lamberti
Frank Lamberti

Chief Operating Officer

Rob Levy
Rob Levy

Regional President, The Americas

Ibi Montesino
Ibi Montesino

Executive Vice President, Chief of Staff

Henry Wang
Henry Wang

Executive Vice President, General Counsel and Corporate Secretary

Michael O. Johnson
Michael O. Johnson

Chairman and Chief Executive Officer

Dr. Richard H. Carmona
Dr. Richard H. Carmona

Director

Celine Del Genes
Celine Del Genes

Director

Kevin M. Jones
Kevin M. Jones

Director

Sophie L’Hélias
Sophie L’Hélias

Director

Alan W. LeFevre
Alan W. LeFevre

Lead Director

Rodica Macadrai
Rodica Macadrai

Director

Juan Miguel Mendoza
Juan Miguel Mendoza

Director

Donal L. Mulligan
Donal L. Mulligan

Director

Maria Otero
Maria Otero

Director

Kristy Appelhans
Kristy Appelhans

NMD, MSRA – Vice President, Global Consumer Safety

Rocio Medina Badiano
Rocio Medina Badiano

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

Susan Bowerman
Susan Bowerman

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

Kent Bradley
Kent Bradley

M.D., MBA, MPH – Chief Health and Nutrition Officer

Joaquim Caetano
Joaquim Caetano

M.D. – Member, Herbalife Nutrition Advisory Board

Laura Chacon-Garbato
Laura Chacon-Garbato

LME – Director, Worldwide Nutrition Education and Training
Chairwoman, Herbalife Outer Nutrition Advisory Board

Zhen-Yu Chen
Zhen-Yu Chen

Ph.D. – Member, Herbalife Nutrition Advisory Board

Samantha Clayton
Samantha Clayton

OLY, ISSA-CPT – Vice President, Sports Performance and Fitness Education
Vice Chair, Herbalife Fitness Advisory Board

Marion Flechtner-Mors
Marion Flechtner-Mors

Ph.D. – Member, Herbalife Nutrition Advisory Board

Julián Álvarez García
Julián Álvarez García

M.D., Ph.D. – Member, Herbalife Nutrition Advisory Board

Luigi Gratton
Luigi Gratton

M.D., MPH – Vice President, Training
Chairman, Herbalife Nutrition Advisory Board

Ana Cristina Gutiérrez
Ana Cristina Gutiérrez

Member, Herbalife Dietetic Advisory Board

David Heber
David Heber

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

John Heiss
John Heiss

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

Louis Ignarro
Louis Ignarro

Ph.D. – Member, Herbalife Nutrition Advisory Board

Charlotte Lok
Charlotte Lok

Member, Herbalife Dietetic Advisory Board

Guansheng Ma
Guansheng Ma

Ph.D. – Member, Herbalife Nutrition Advisory Board

Sivuyile Madikana
Sivuyile Madikana

M.D. – Member, Herbalife Nutrition Advisory Board

Alexander Martynchuk
Alexander Martynchuk

M.D. – Member, Herbalife Nutrition Advisory Board

Korakod Panich
Korakod Panich

M.D. – Member, Herbalife Nutrition Advisory Board

Jose Reinhart
Jose Reinhart

M.D. – Member, Herbalife Nutrition Advisory Board

Michelle Ricker
Michelle Ricker

RDN – Director, Worldwide Health Education and Training
Chair, Herbalife Dietetic Advisory Board

Rimbawan
Rimbawan

Ph.D. – Member, Herbalife Nutrition Advisory Board

Dana Ryan
Dana Ryan

Ph.D, MBA, MA – Director, Sports Performance, Nutrition and Education
Chair, Herbalife Fitness Advisory Board

Gary Small
Gary Small

M.D. – Member, Herbalife Nutrition Advisory Board

Simon Sum
Simon Sum

DCN, RDN, ACSM-CPT, ACSM-EIM, FAND – Director of North America Scientific Affairs
Member, Herbalife Dietetic Advisory Board

Ismet Tamer
Ismet Tamer

M.D., Ph.D. – Member, Herbalife Nutrition Advisory Board

Carlos Alberto Ulloa
Carlos Alberto Ulloa

M.D. – Member, Herbalife Nutrition Advisory Board

Chin-Kun Wang
Chin-Kun Wang

M.D., Ph.D. – Member, Herbalife Nutrition Advisory Board

Adam Waterson
Adam Waterson

Member, Herbalife Fitness Advisory Board

Yuexin Yang
Yuexin Yang

M.D. – Member, Herbalife Nutrition Advisory Board

Tiffany Yong
Tiffany Yong

Member, Herbalife Dietetic Advisory Board

Corina-Aurelia Zugravu
Corina-Aurelia Zugravu

M.D. – Member, Herbalife Nutrition Advisory Board

Use the links below to learn more about our committee compositions or if interested in communicating directly with the Chairman of the Board, individual directors, non-management directors as a group, or to the entire Board of Directors.