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Pursuant to the articles of association, Klöckner & Co SE’s supervisory board consists of six members, all of whom are elected by the annual general meeting. Currently, Prof. Dr. Dieter H. Vogel is serving as Chairman of the Supervisory Board of Klöckner & Co SE.
The current members of the supervisory board of the company, their activities outside the company and their curricula vitae are listed in the table below.
Member since: May 31, 2006, lastly appointed on May 12, 2021 until the annual general meeting 2026
Managing Partner, Cassiopeia GmbH, Düsseldorf, Germany
| Personal information | |
|---|---|
| Residence | Düsseldorf, Germany |
| Year of birth | 1941 |
| Place of birth | Cheb (Czech Republic) |
| Nationality | German |
| Occupation/profession | Chairman of the Company’s Supervisory Board; Managing Partner, Cassiopeia GmbH |
| Education | Studied mechanical engineering at TU Darmstadt (Dipl.-Ing.) and doctorate at TU Munich (Dr.-Ing.) |
| Career | |
| 1970-1975 | Bertelsmann AG Last position held: Deputy CEO, Technical Operations |
| 1975-1985 | Pegulan Werke AG Last position held: CEO |
| 1980-1985 | British American Tobacco Deutschland Deputy CEO |
| 1986-1998 | Thyssen AG Last position held: CEO |
| 1999-2020 | Lindsay Goldberg Vogel GmbH Founder and Managing Partner |
| Special knowledge and experience for Supervisory Board service | Prof. Dr. Vogel has been Chairman of the Company’s Supervisory Board since its IPO 2006. He has an outstanding knowledge of the steel industry and steel trading with over 40 years of experience as a member of management and supervisory bodies in a wide scope of enterprises (among others ABB AG, Deutsche Bahn AG, Bertelsmann SE & Co KGaA and Stiftung, Freenet AG, in each case Chairman of the Supervisory Board). |
| Membership in domestic statutory supervisory boards | Klöckner & Co SE (listed), Chairman of the Supervisory Board and its Presidium |
| Membership in comparable German or foreign corporate supervisory bodies | denkwerk GmbH (unlisted), Member of the Advisory Board HSBC Continental Europe S.A., branch Germany (unlisted), Member of the Advisory Board |
| Other significant activities | None |
Member since: May 16, 2018, last appointed on May 17, 2023 until the annual general eeting 2027
Director Emeritus McKinsey & Company, Meggen, Switzerland
| Personal information | |
|---|---|
| Residence | Meggen (Switzerland) |
| Year of birth | 1956 |
| Place of birth | Eupen (Belgium) |
| Nationality | Belgian |
| Occupation/profession | Director Emeritus McKinsey & Company, Meggen, Switzerland |
| Education | Studied industrial engineering (Dipl.-Wirtschaftsingenieur) and doctorate at the University of Karlsruhe (Dr. rer. pol.) |
| Career | |
| 1982-1987 | McKinsey & Company Consultant |
| 1988-1994 | McKinsey & Company Principal |
| 1995-2016 | McKinsey & Company Director |
| Since 2016 | Entrepreneur and Advisor, Member of several Supervisory and Advisory Boards |
| 2020-2024 | Bertelsmann Stiftung Chairman of the Management Board |
| Special knowledge and experience for Supervisory Board service | As a member of, inter alia, various supervisory and advisory boards, Dr. Ralph Heck has extensive experience in committee work. During his time at McKinsey & Company, he worked in several countries on different continents and gained extensive expertise in various positions (operations, strategy, organization) as well as in diverse industries such as trading/distribution, automotive, media and services. In addition, he also acted as advisor in the steel industry. His clients included, inter alia, large family-owned companies, medium-sized enterprises and DAX-listed companies. |
| Membership in domestic statutory supervisory boards | Klöckner & Co SE (listed), Deputy Chairman of the Supervisory Board |
| Membership in comparable German or foreign corporate supervisory bodies | Adolf Würth GmbH & Co. KG (unlisted), Member of the Advisory Board Formel D GmbH (unlisted), Chairman of the Advisory Board |
| Other significant activities | None |
Member since: July 14, 2015, lastly appointed on May 12, 2021 until the annual general meeting 2026
Professor of Digital Business and Digital Entrepreneurship at the University of Duisburg-Essen, Germany
| Personal information | |
|---|---|
| Residence | Cologne, Germany |
| Year of birth | 1970 |
| Place of birth | Bonn (Germany) |
| Nationality | German |
| Occupation/profession | Professor of Digital Business and Digital Entrepreneurship at the University of Duisburg-Essen, Germany |
| Education | Studied economics at the Universities of Bonn and Trier (Dipl.-Volkswirt) and doctorate at the University of Trier (Dr. rer. pol.) |
| Career | |
| 1997-2001 | Start-up/venture capital practice In particular: support for Scout24-Holding (Switzerland) in the development of virtual marketplaces Among others, co-founder of AutoScout24 GmbH |
| 2001-2005 | Christian-Albrechts-University of Kiel Chair of E-Business |
| 2005-2024 | University of Duisburg-Essen Chair of Digital Business and Digital Entrepreneurship |
| Special knowledge and experience for Supervisory Board service | Prof. Dr. Kollmann was among the pioneers of the German internet economy and electronic marketplaces. He is also a recognized digitalization expert with numerous publications in this field, in particular on digital business and digital entrepreneurship. In addition, he has an excellent network in politics and in the start-up and venture capital sector. |
| Membership in domestic statutory supervisory boards | Klöckner & Co SE (listed), Member of the Supervisory Board |
| Other significant activities | Managing Partner of netSTART GmbH |
Member since: May 13, 2016, lastly appointed on May 12, 2021 until the annual general eeting 2026
Entrepreneur, owner and chairman of Friedhelm Loh Stiftung & Co. KG, Haiger, Germany
| Personal information | |
|---|---|
| Residence | Dietzhölztal, Germany |
| Year of birth | 1946 |
| Place of birth | Weidenau (Germany) |
| Nationality | German |
| Occupation/profession | Entrepreneur, owner and Chairman of Friedhelm Loh Stiftung & Co. KG |
| Education | Apprenticed electrician (high voltage) and studied business administration |
| Career | |
| 1974-1989 | Rittal GmbH & Co. KG Partner and CEO |
| Since 1989 | Friedhelm Loh Stiftung & Co. KG Owner and CEO |
| Special knowledge and experience for Supervisory Board service | Prof. Dr.-Ing. E.h. Loh is an indirect major shareholder in the Company. As a successful entrepreneur, he has many years of experience in the management of large companies. He is very well connected in business and politics. |
| Membership in domestic statutory supervisory boards | Klöckner & Co SE (listed), Member of the Supervisory Board |
| Membership in comparable German or foreign corporate supervisory bodies | None |
| Other significant activities | None |
Member since: May 12, 2021, appointed until the annual general meeting 2026
Independent consultant and member of several supervisory boards
| Personal information | |
|---|---|
| Residence | Mönchengladbach (Germany) |
| Year of birth | 1962 |
| Place of birth | Mönchengladbach (Germany) |
| Nationality | German |
| Occupation/profession | Chief Executive Officer of Gerresheimer AG |
| Education | Studied business administration at the University of Cologne (Dipl.- Kfm.) |
| Career | |
| 1989-1991 | Scheidt & Bachmann GmbH Finance and accounting |
| 1991-2017 | Gerresheimer AG Last position held: CEO |
| 2019 | Perrigo Company plc. President and CEO |
| Since 2019 | Independent consultant and member of several supervisory boards |
| Since November 2025 | Gerresheimer AG CEO |
| Special knowledge and experience for Supervisory Board service | Uwe Röhrhoff has extensive and longstanding experience in management positions and the management of large companies, including positions abroad. Due to these experiences and his service on several supervisory boards, he is familiar with the work of supervisory bodies and has, among other things, expertise in the field of auditing, also with respect to sustainability reporting and its audit and assurance. He is also already familiar with the Company from his previous service as member and Deputy Chairman of the Supervisory Board. |
| Membership in domestic statutory supervisory boards | Klöckner & Co SE (listed), Chairman of the Audit Committee |
| Membership in comparable German or foreign corporate supervisory bodies | Constantia Flexibles GmbH, Vienna, Austria (unlisted), Member of the Supervisory Board Röchling SE & Co. KG (unlisted), Member of the Advisory Board |
| Other significant activities | None |
Member since: May 23, 2024, appointed until the annual general meeting 2028
Chief Financial Officer of Wienerberger AG, Vienna, Austria
| Personal information | |
|---|---|
| Residence | Mannheim (Germany) |
| Year of birth | 1964 |
| Place of birth | Freiburg (Germany) |
| Nationality | German |
| Occupation/profession | Chief Financial Officer of Wienerberger AG, Vienna, Austria |
| Education | Studied business administration at the University of Cologne (Dipl.-Kffr.) |
| Tax consultant | |
| Chartered accountant | |
| Career | |
| 1993-2002 | Worked for various audit firms, most recently for PricewaterhouseCoopers |
| 2003-2013 | Rheinmetall AG Head of Accounting |
| 2013-2016 | Fuchs Petrolub SE Head of Investor Relations |
| 2016-2022 | Fuchs Petrolub SE Chief Financial Officer |
| 2022-2024 | Rheinmetall AG Chief Financial Officer |
| Since March 2025 | Wienerberger AG, Vienna, Austria Chief Financial Officer |
| Special knowledge and experience for Supervisory Board service | Dagmar Steinert is a member of the Company's Audit Committee. As a long-time Chief Financial Officer of large, internationally active, listed groups, she has many years of management experience. Through this and as tax accountant and chartered accountant she has, among other things, specific knowledge and experience in the application of accounting principles and internal control and risk management systems as well as in the auditing of financial statements. This, in both cases, also includes sustainability reporting and its audit and assurance. Furthermore, she served for several years as a member of the supervisory board and the audit committee of a big, international technology group. |
| Membership in domestic statutory supervisory boards | Klöckner & Co SE (listed), Member of the Supervisory Board |
| Membership in comparable German or foreign corporate supervisory bodies | None |
| Other significant activities | None |
Below you can find an overview of the presence of all supervisory board members at the respective meetings.
| Responsibilities | Members | Number of attendance/meetings |
|---|---|---|
| Supervisory Board | Prof. Dr. Dieter H. Vogel *) | 5/5 |
| Dr. Ralf Heck | 4/4 | |
| Prof. Dr. Tobias Kollmann | 3/4 | |
| Prof. Dr. E.h. Friedhelm Loh | 4/4 | |
| Uwe Röhrhoff | 4/4 | |
| Ute Wolf | 2/2 | |
| Dagmar Steinert | 2/2 |
| Responsibilities | Members | Number of attendance/meetings |
|---|---|---|
| Executive Committee | Prof. Dr. Dieter H. Vogel *) | 4/4 |
| Dr. Ralph Heck | 4/4 | |
| Prof. Dr. E.h. Friedhelm Loh | 4/4 |
| Responsibilities | Members | Number of attendance/meetings |
|---|---|---|
| Audit Committee | Uwe Röhrhoff *)**) | 5/5 |
| Dagmar Steinert **) (since May 23, 2024) | 3/3 | |
| Prof. Dr. Dieter H. Vogel | 5/5 | |
| Ute Wolf *)**) (since May 23, 2024) | 2/2 |
*) Chair
**) Financial expert
Further information on the supervisory board and its functioning
Where appropriate, the supervisory board makes use of external experts and relevant studies.
Costs of external training for supervisory board members are reimbursed by the company via expense accounts.
The supervisory board, considering applicable legal provisions and taking into account German Corporate Governance Code (GCGC), sets itself objectives regarding its composition, including a profile of skills and expertise for the entire supervisory board. The members of the supervisory board shall, collectively, possess the knowledge, skills and professional expertise required to properly perform all duties. The set of skills and expertise essential for the activities of the company includes, amongst others, knowledge and experience in respect of the management of a large or mid-sized international company, trading/distribution, digitalization / e-commerce, auditing of financial statements, accountancy and accounting (with respect to auditing and accounting including sustainability reporting and its audit and assurance), controlling and risk management or internal audit as well as in respect of compliance and sustainability issues relevant to the group. Moreover, an appropriate number of the supervisory board members should be independent within the meaning of GCGC, taking into account the ownership structure. The composition of the supervisory board shall further aim for diversity taking into account the company's bests interests. A diversity concept has been developed in this regard. Moreover, supervisory board members should generally not be appointed for a term of office going beyond their 75th year of age. The overall term of service as supervisory board member shall generally not exceed 15 years. In order to avoid potential conflicts of interest, supervisory board members should not be members of governing bodies of, or exercise advisory functions at, significant competitors of the enterprise, and shall not hold any personal relationships with a significant competitor. Finally, the nomination shall take into account the requirements of section 100 (para 5) of the German Stock Corporations Act (AktG).
The supervisory board regularly deals with the business situation of the company, implementation and development of its strategy as well as with group financing, furthermore with topics related to corporate governance and compliance plus with matters relating to the management and the supervisory board.