Werner Baumann has been a member of the Board of Management of Bayer AG since January 1, 2010. Effective October 1, 2014, he was appointed Chief Strategy and Portfolio Officer (CSPO) with responsibility for Corporate Development and Mergers & Acquisitions. He is also responsible for the Europe region. Since April 1, 2015, Baumann has also been Chairman of the Board of Management of Bayer HealthCare AG.

Werner Baumann was born on October 6, 1962, in Krefeld, Germany. After studying economics at RWTH Aachen University and the University of Cologne, he joined Bayer in 1988. His first duties were in the Corporate Finance Department in Leverkusen. In 1991 he transferred to Bayer Hispania Comercial in Barcelona, Spain, to take up a position as controller, becoming assistant to the managing director in 1995.

A year later, Baumann moved to Bayer Corporation in Tarrytown, New York, latterly heading up the global Business Planning & Administration organization of the Diagnostics Business Group.

In July 2002, Baumann returned to Germany to become a member of the Executive Committee and Head of Central Administration & Organization at Bayer HealthCare. In October 2003 he was appointed a member of the Board of Management of the newly formed subgroup Bayer HealthCare AG, also serving as the company's Labor Director. As a member of the Board of Management and Labor Director of Bayer Schering Pharma AG, Berlin, Germany, from 2006 through September 2009, he actively participated in this company's integration into the subgroup.

Prior to October 1, 2014, he served as Bayer AG’s Chief Financial Officer (CFO).

Werner Baumann is married and has four children.