Bayer Aktiengesellschaft announced Werner Wenning is to step down as Chairman of the Supervisory Board at the end of the Annual Stockholders' Meeting. He has been with the company for 54 years – with over 20 years of service on the Board of Management and Supervisory Board. Prof. Dr. Norbert Winkeljohann will take over as Chairman of the Supervisory Board.

Winkeljohann served as Chairman of the Board of Management of PricewaterhouseCoopers Europe SE until June 2018 and has been a member of Bayer's Supervisory Board since May 2018.