Brendan O'Callaghan

Brendan O'Callaghan currently serves as Executive Vice President and Head of Manufacturing and Supply at Sanofi, with a previous role as SVP, Global Head of Biologics Platform & IA BP to Sanofi Genzyme BU. Prior to joining Sanofi in January 2015, Brendan held several leadership positions at Merck, including Vice President EMEA Operations and Vice President of Biologics. Brendan's career also includes significant roles at Schering-Plough, where responsibilities included API/Biotech Operations and general management at two manufacturing sites. Brendan began the professional journey at Mallinckrodt Medical Imaging as General Manager. Brendan holds a Bachelor of Engineering degree in Chemical Engineering from University College Dublin, earned from 1978 to 1982.