company leadership
Company Leadership
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Our top executives bring a breadth and depth of knowledge and experience to lead our business units and key areas of focus such as research, regulatory affairs, and manufacturing.
Executive Leadership Team
Christopher A. Viehbacher
Christopher A. Viehbacher
CEO, Sanofi; Chairman, Genzyme
David Meeker, M.D.
David Meeker, M.D.
President; Chief Executive Officer
William Aitchison
William Aitchison
Head of Global Manufacturing
Caren P. Arnstein
Caren P. Arnstein
Head of Corporate Communications
Marc Esteva
Marc Esteva
Chief Financial Officer
Jayne M. Gansler
Jayne M. Gansler
Senior Vice President, Head of Human Resources
Richard J. Gregory
Richard J. Gregory
Head of the Genzyme R&D Center
Nicholas Grund
Nicholas Grund
General Manager, Asia-Pacific
Carlo Incerti, M.D.
Carlo Incerti, M.D.
Head of Global Medical Affairs
Robin Kenselaar
Robin Kenselaar
Head of Europe, Middle East and Africa
Yoshi Nakamura
Yoshi Nakamura
Regional President; Head of Japan-Asia Pacific
Tracey L. Quarles
Tracey L. Quarles
Senior Vice President and General Counsel
William Sibold
William Sibold
Senior Vice President; Head of Multiple Sclerosis
Charles Thyne
Charles Thyne
Head of Global Quality, Industrial Operations
G. Andre Turenne
G. Andre Turenne
Head of Strategy & Business Development
Frederic Turner
Frederic Turner
Regional President; Head of LATAM
Rogerio Vivaldi, M.D.
Rogerio Vivaldi, M.D.
Senior Vice President, Head of Rare Diseases
Pamela M. Williamson
Pamela M. Williamson
Senior Vice President, Global Head, Regulatory Affairs & Compliance
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