Annual Report 2025

Board of Management

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The board of Bayer, consisting of five men and one woman, is posing in business attire for a group photo inside a modern building in front of a glass wall, with a lawn visible behind it. The Bayer Group logo is visible on the left side.The board of Bayer, consisting of five men and one woman, is posing in business attire for a group photo inside a modern building in front of a glass wall, with a lawn visible behind it. The Bayer Group logo is visible on the left side.The board of Bayer, consisting of five men and one woman, is posing in business attire for a group photo inside a modern building in front of a glass wall, with a lawn visible behind it. The Bayer Group logo is visible on the left side.
  • Bill Anderson is wearing a light blue shirt, a blue blazer, and glasses, and is smiling at the camera.

    Bill Anderson

    Chairman (CEO)

    William N. (Bill) Anderson studied Chemical Engineering at the University of Texas and the Massachusetts Institute of Technology (MIT), where he also gained his Master of Science in Management. He started his professional career in specialty chemicals before moving to the biotechnology industry, where he held global leadership positions at various companies including Biogen and Genentech. He joined Roche Pharmaceuticals in 2013 and became its CEO in 2019. He has been a member of Bayer’s Board of Management since April 1, 2023, and Chairman of the Board of Management (CEO) since June 1, 2023.

  • Wolfgang Nickl is wearing a white shirt, a black blazer, and is smiling at the camera.

    Wolfgang Nickl

    Finance

    Wolfgang Nickl studied business administration in Stuttgart and Los Angeles. Following numerous roles in Europe and the United States at Western Digital Corporation, Nickl was appointed Chief Financial Officer in 2010. In 2013, he joined Netherlands-based ASML N.V. as Executive Vice President and Chief Financial Officer. Nickl has been a member of the Bayer Board of Management since April 2018.

  • Heike Prinz is wearing a blue blazer and glasses, smiling at the camera.

    Heike Prinz

    Member of the Board of Management

    Heike Prinz studied business administration in Berlin and holds a degree in business administration. She joined the former Schering AG in 1986, which was acquired by Bayer in 2006. From 2009, she held various management positions at Bayer Pharmaceuticals in Singapore, Thailand and Japan. In 2021, she became Head of Commercial Operations EMEA (Europe, Middle East and Africa) at Bayer Pharmaceuticals. In September 2023, Heike Prinz was appointed to the Board of Management of Bayer AG as Chief Talent Officer and Labor Director.

  • Rodrigo Santos is wearing a white shirt, a black blazer, and is smiling at the camera.

    Rodrigo Santos

    Crop Science

    Rodrigo Santos studied Agricultural Engineering in São Paulo and received his MBA in Ohio. He joined Monsanto in 1999 and recently served as Chief Operating Officer at Bayer’s Crop Science Division. During those years he held different positions in sales, marketing, and strategy, among others, leading organizations in Latin America, Europe and the United States. Santos has served as a member of the Bayer Board of Management and head of the Crop Science Division since January 2022.

  • Stefan Oelrich is wearing a white shirt, a black blazer, and is smiling at the camera.

    Stefan Oelrich

    Pharmaceuticals

    Stefan Oelrich joined Bayer as a commercial trainee. After qualifying as a commercial assistant, he held a number of positions of increasing responsibility in Bayer’s HealthCare business. In 2011, Oelrich joined Sanofi, where he held numerous roles before being appointed Executive Vice President Diabetes & Cardiovascular in the company’s Executive Committee. Oelrich has served as a member of the Bayer Board of Management and head of the Pharmaceuticals Division since November 2018.

  • Julio Triana is wearing a white shirt, a gray blazer, and glasses, smiling at the camera.

    Julio Triana

    Consumer Health

    Julio Triana studied biology and chemistry at the University of Houston and neuroscience at the University of Texas Graduate School of Biomedical Sciences, and holds a Master of Business Administration from Universidad Antonio de Nebrija in Madrid, Spain. After working as a research scientist and transferring to PricewaterhouseCoopers, he joined the Bayer Group in 2002, where he has held various management positions including Chief Financial Officer and Chief Transformation Officer of the Pharmaceuticals Division. Julio Triana has been a member of the Board of Management of Bayer AG since April 1, 2024, and is head of the Consumer Health Division.