The Supervisory Board of K+S
The Supervisory Board appoints the members of the Board of Executive Directors and supervises and advises the Board of Executive Directors in the conduct of business. The Supervisory Board is directly involved in decisions of fundamental importance to the Company.
The Supervisory Board of K+S Aktiengesellschaft carries out its activities in accordance with the law, the Articles of Association, its bylaws, and responsible corporate governance. It consists of 16 members and, in accordance with the German Codetermination Act, is made up of an equal number of shareholder and employee representatives.
The work of the K+S Supervisory Board is distributed among various bodies. In accordance with the bylaws for the Supervisory Board, there are five committees (Mediation Committee pursuant to Section 27 (3) of the German Codetermination Act, Strategy Committee, Audit Committee, Personnel Committee and Nomination Committee), whose respective chairmen regularly report to the Supervisory Board on the work of the committees.
The Chairman of the Supervisory Board coordinates the work of the Supervisory Board. The Chairman of the Supervisory Board is in close contact with the Board of Executive Directors, in particular its Chairman, between meetings.
Here you can find the supervisory board report for the 2024 financial year.
Dr. Harald Schwager, shareholder representative (independent member), born 1960

Graduate chemist (Dr. rer. nat.)
Entrepreneur (former Deputy Chairman of the Board of Executive Directors of Evonik Industries AG, Essen)
Chairman of the Supervisory Board since May 14, 2025
Mandate until the end of the ordinary Annual General Meeting in 2029
Initial appointment: May 14, 2025
Other supervisory board mandates:
- K+S Minerals and Agriculture GmbH, Kassel (Chairman) (Group mandate)
- Currenta GmbH & Co. OHG, Leverkusen
Other supervisory bodies:
- KSB Management SE, Frankenthal (Chairman of the Advisory Board)
Other members of the Supervisory Board
Thomas Kölbl, Shareholder Representative (independent member) - 2. Deputy Chairman, born in 1962, Financial Expert
Petra Adolph, Employee Representative, born in 1964
André Bahn, Employee Representative, born in 1968
Carl-Albrecht Bartmer, Shareholder Representative (independent member), born in 1961
Prof. Dr. Elke Eller, Shareholder Representative (independent member), born in 1962
Lars Halbleib, Employee Representative, born in 1978
Christiane Hölz, Shareholder Representative (independent member), born in 1972
Michael Knackmuß, Employee Representative, born in 1975
Dr. Tilman Krauch, Shareholder Representative (independent member), born in 1962
Gerd Kübler, Employee Representative, born in 1967
Dr. Rainier van Roessel, Shareholder Representative (independent member), born in 1957
Peter Trotha, Employee Representative, born in 1983
Brigitte Weitz, Employee Representative, born in 1963
Christine Wolff, Shareholder Representative (independent member), born in 1960
Seven bodies for effective governance
The work of the K+S Supervisory Board is distributed among various bodies. In this way, we ensure efficient control and targeted handling of complex issues.
Mediation Committee
Strategy Committee
Sustainability Committee
Audit Committee
Personnel Committee
Nomination Committee
Special Committee
Our Honorary Chairmen

Dr. Ralf Bethke, born 1942
Business graduate
Member of the Supervisory Board: July 1, 2007 until the end of the Annual General Meeting 2017
Chairman of the Supervisory Board: May 14, 2008 until the end of the Annual General Meeting 2017
1991 - 2007: Chairman of the Board of Executive Directors of K+S Aktiengesellschaft

Dr. Burkhard Lohr, born 1963
Business graduate
2017 - 2025: Chairman of the Board of Executive Directors of K+S Aktiengesellschaft