The Board of Directors of Sanofi unanimously removed the company’s CEO, Christopher A. Viehbacher, after six years of service. Viehbacher resigned as a director of Sanofi. In its official statement, Sanofi’s Board says “the group needs to pursue its development with a management aligning the teams, harnessing talents and focusing on execution with a close and confident cooperation with the Board”. Serge Weinberg will fulfill jointly, on a temporary basis, the functions of Chairman and Chief Executive Officer until the new CEO will be appointed.