Biogen tabs veteran pharma leader Viehbacher as next CEO


              FILE - The Biogen Inc., headquarters is pictured on March 11, 2020, in Cambridge, Mass. Biogen has picked former Sanofi CEO Christopher Viehbacher to become its next leader, as the drug developer continues to recover from its failed launch of the Alzheimer’s treatment Aduhelm. (AP Photo/Steven Senne, File)
            
              FILE - Christopher Viehbacher, then-CEO of Sanofi, is interviewed at The Associated Press in New York on Sept. 19, 2011. Biogen has picked Viehbacher to become its next leader, as the drug developer continues to recover from its failed launch of the Alzheimer’s treatment Aduhelm. (AP Photo/Mark Lennihan, File)