Weatherhead will take up the role in October. He replaces longstanding comms director Cressida Ward who has moved to the firm's global headquarters in Paris to take up the director of comms, CSR role.
He joins the firm from biopharma company UCB where he has held the role of comms and public affairs director UK since 2005. He also led comms with UCB’s research and development organisation.
Prior to joining UCB, Weatherhead held senior external communications roles within AstraZeneca and Syngenta.
Sanofi-Aventis general manager Steve Oldfield said of Weatherhead’s appointment: ‘Ian will be joining us later in the year to lead comms, a critical area in supporting our UK business and our transition to a global healthcare leader. He brings substantial experience of driving internal and external comms activities in other pharmaceutical and lifescience organisations.’