• Nationality: Dutch
• Self-employed consultant
• Former member of the Board of Management and Labor Relations Director of LANXESS Aktiengesellschaft (until December 31, 2019)
• Chairman of the Supervisory Board of LANXESS AG since May 24, 2024
• Member of the Supervisory Board of LANXESS AG since 2022 (appointed until the 2026 Annual Stockholders' Meeting)

In 1988, Dr. van Roessel joined the Corporate Organization department at Bayer AG as an internal advisor. From 1993, he worked as a strategy advisor in Bayer AG’s Strategic Planning department, where he where he helped to set up the Mergers and Acquisitions Unit. 

In 1997, Dr. Rainier van Roessel became Head of Strategic Marketing for Styrenics in the Plastics Business Group, and he was appointed Head of European Marketing for Polycarbonates in 2001. In the newly formed Bayer Polymers subgroup, Dr. Rainier van Roessel assumed responsibility for Global Operations Polyester/TPU/Films from 2002. When LANXESS was established in 2004, he became Head of the Rubber Chemicals business unit, and in June 2006, he was additionally appointed Managing Director of LANXESS N.V. in Antwerp, Belgium. 

From January 1, 2007, to December 31, 2019, Dr. Rainier van Roessel was a member of the Board of Management and Labor Relations Director of LANXESS Aktiengesellschaft. In addition to the Human Resources Group function, he was most recently responsible for the Inorganic Pigments, Material Protection Products, Liquid Purification Technologies and Leather business units, as well as the Rhein Chemie business unit until 2019. 

Dr. Rainier van Roessel studied business administration at the University of Cologne, obtaining his doctorate (rerum politicarum) in 1988.  

Memberships in other statutory supervisory boards:

• K+S Aktiengesellschaft, Kassel (listed company)
• K+S Minerals and Agriculture GmbH, Kassel
• LANXESS Deutschland GmbH, Cologne

Memberships in comparable domestic and foreign controlling bodies:

• None

Main activities in addition to the Supervisory Board appointment:

• Since 2020, Dr. Rainier van Roessel has also been a lecturer at the University of Cologne, Department of Supply Chain Management & Management Science.

In line with the skills profile adopted by the Supervisory Board, Dr. van Roessel has specific knowledge and experience in the management of large companies, chemical sector, production, sales and marketing of chemical products, M&A and sustainability/ESG.