Biogen appoints ex-Sanofi chief Christopher Viehbacher as CEO

Biogen announced Thursday that former Sanofi CEO Christopher Viehbacher will serve as the company’s next CEO.

The biotech said Viehbacher, who spent 20 years at GSK before a six-year stint at the helm of Sanofi, will replace outgoing CEO Michel Vounatsos. The company first announced in its Q1 earnings report that it would begin a search to replace Vounatsos as CEO.