Our Leadership

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Sanofi Genzyme is the specialty care global business unit of Sanofi. Learn more about the Executive Committee that governs us, Sanofi’s Executive Committee.

Bill Sibold photo

Bill Sibold, Executive Vice President and Head of Sanofi Genzyme

“We have to be focused on the science, focused on the patients—that is the core of what we do. If we do that right, we can ultimately be successful.”
Carole Huntsman photo

Carole Huntsman

North America Head of Multiple Sclerosis, Oncology and Immunology
Robin Kenselaar photo

Robin Kenselaar

Head of Sanofi Genzyme Europe
Jean-Luc Lowinski photo

Jean-Luc Lowinski

Head of Emerging Markets
Sébastien Martel photo

Sébastien Martel

Global Head of Rare Diseases
Gary Nabel photo

Gary Nabel

Chief Scientific Officer and Head of North America Research & Development Hub
Joann Nestor photo

Joann Nestor

Head of Legal
Brendan O’Callaghan photo

Brendan O’Callaghan

Senior Vice President for Biologics within Industrial Affairs and Business Partner
Bo Piela photo
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Bo Piela

Head of Communications
Eddie Reilly photo

Eddie Reilly

Head of Global Regulatory Affairs
Shannon Resetich photo

Shannon Resetich

Head of Rare Diseases, North America
Sandeep Sahney photo

Sandeep Sahney

Head of Japan & Pacific Region
Philippe Sauvage photo

Philippe Sauvage

Chief Financial Officer
Deb Shapiro photo

Deb Shapiro

Global Head of Human Resources
Rand Sutherland photo

Rand Sutherland

Global Head of Medical Affairs
Mark Underwood photo

Mark Underwood

Global Head of Business Operations