Businessman using tablet in conference room

Supervisory Board

Richard Ridinger

Richard Ridinger

Chairperson of the Supervisory Board


  • Nationality: German
  • Year of birth: 1958
  • Place of birth: Heidelberg, Germany
  • Profession: Independent management consultant
Richard RidingerChair, member of the Supervisory Board since June 10, 2020, elected until the end of the General Shareholders’ Meeting 2027.
CommitteesMember of the Nomination and Remuneration Committee since June 15, 2023, and member of the Transformation and ESG Committee since its establishment in January 2021.
Specific expertise and experienceMore than 20 years of management experience in leading management positions in the chemical industry and healthcare industry, with a focus on operational and strategic transformations due to his professional background with various positions in the chemical industry.
Career2012 - 2019CEO, Lonza Group, Basel, Switzerland (SMI-listed)
2002 - 2011Executive Vice President, Cognis, Monheim am Rhein, Germany
1986 - 2002Various Positions in R&D, Engineering, Operations, Marketing & Sales, Business Unit Lead, HENKEL KGaA, Düsseldorf, Germany
Education and Training1979 - 1985Chemical Engineering (Diploma), University of Karlsruhe, Germany
Membership in Supervisory Boards to be established under applicable lawNone
Membership in comparable domestic and foreign control bodies of commercial enterprises
  • DSM-Firmenich AG, Kaiseraugst, Switzerland (listed) (Non-executive member of the Board of Directors)
  • Roar HoldCo AB, Stockholm, Sweden (not listed) (Non-executive member and Chair of the Board of Directors) and Recipharm AB, Stockholm, Sweden (not listed) (Group company of HoldCo AB) (Non-executive member and Chair of the Board of Directors)
Stefanie Berlinger

Stefanie Berlinger

Deputy Chairperson of the Supervisory Board


  • Nationality: German
  • Year of birth: 1973
  • Place of birth: Neukirchen b. Hl. Blut, Germany
  • Profession: Managing Director, Lilja & Co. GmbH, Frankfurt, Germany
Stefanie BerlingerDeputy Chair, member of the Supervisory Board since June 9, 2015, elected until the end of the General Shareholders’ Meeting 2027
CommitteesMember of the Nomination and Remuneration Committee since May 22, 2025.
Specific expertise and experienceMore than 25 years of professional experience in investment banking and capital markets on international level, with expert knowledge in accounting, auditing, risk management and compliance as well as sustainability and in particular ESG.
CareerSince 2010Managing Director, Lilja & Co. GmbH, Frankfurt, Germany
Since 2006Partner, Lilja & Co. AG, Zurich, Switzerland
2005Director, lnstitutional Equity Sales, Deutsche Bank AG, Frankfurt, Germany
2000 -
2004		Director, Equity Capital Markets, Deutsche Bank AG, London, UK
1998 -
1999		Associate, Equity Capital Markets Syndicate, Deutsche Bank AG, Frankfurt, Germany
1996 -
1997		Analyst, Corporate Finance, Deutsche Zentralgenossenschaftsbank AG, Frankfurt, Germany

Education and Training		1992 -
1994		European Business Studies (Bachelor), Oxford Brookes University, Oxford, UK
1991 -
1995		Business administration (Diploma), Technical University Regensburg, Germany
Membership in Supervisory Boards to be established under applicable lawNone
Membership in comparable domestic and foreign control bodies of commercial enterprisesNone

Claudine Mollenkopf

  • Nationality: French, German
  • Year of birth: 1966
  • Place of birth: Thann, France
  • Profession: Chief Operating Officer
Claudine MollenkopfMember of the Supervisory Board since May 20, 2026, elected until the end of the General Shareholders’ Meeting 2029.
CommitteesMember of the Transformation and Committee since May 20, 2026
Specific expertise and experienceSenior business leader in the chemical industry. Commercially oriented global P&L leader in the chemical industry with a high business orientation and 30 years’ experience in the chemical industry as well as non-executive experience in trade associations, strategic industry discussions and regulatory and governance influencing.
CareerSince 2025Member of the Executive Board, Evonik Industries AG, Essen, Germany and Managing Director, Evonik Operations GmbH, Essen, Germany (Chief Operating Officer, Advanced Technologies)
2022 - 2025Managing Director, Evonik Operations GmbH, Essen, Germany; Head of Division Specialty Additives
2019 - 2022Head of the Business Line Silica, Evonik Operations GmbH, Hanau, Germany
2011 - 2019Senior Vice President, Specialty Carbon Black, Orion Engineered Carbons, Frankfurt am Main, Germany
2010 - 2011Head of MRG Industry, Business MRG Industries, Evonik Carbon Black GmbH, Frankfurt am Main, Germany
2008 - 2010Head of MRG Industry, Business Line MRG Industries, Evonik Degussa GmbH, Frankfurt am Main, Germany
Education and Training1989 - 1992PhD in Chemistry, Université Louis Pasteur, Strasbourg, France
1986 - 1989Chemical Engineering, Ecole de Chimie Polymeres (ECPM), Strasbourg, France
Membership in Supervisory Boards to be established under applicable lawNone
Membership in comparable domestic and foreign control bodies of commercial enterprises
  • CPH Group AG, Perlen, Switzerland (Non-Executive Director)
Wijnand Donkers

Guus Dekkers


  • Nationality: Dutch
  • Year of birth: 1965
  • Place of birth: Nijmegen, Netherlands
  • Profession: Chief Technology Officer
Guus DekkersMember of the Supervisory Board since May 20, 2026, elected until the end of the General Shareholders’ Meeting 2029.
CommitteesMember of the Transformation and ESG Committee since May 20, 2026.
Specific expertise and experienceTechnology executive with 35 years of experience in IT roles across automotive, aeronautics, retail and telecommunication. Brings over 20 years of (Group) CIO experience and has driven digital transformations in large, decentralized organizations, including initiatives around Big Data, cloud services and AI. Experience in digital and process optimization in highly complex supply chain and logistics operations.
CareerSince 2018Chief Technology Officer (CTO) and member of the Executive
Committee, Tesco PLC, London, United Kingdom
2008 - 2016SVP and Chief Information Officer, Airbus & Corporate CIO, Airbus
Group, Toulouse, France
2007 - 2008Chief Information Officer and Vice President, Automotive Division,
Continental, Frankfurt, Germany
2005 - 2007Chief Information Officer and Vice President, Siemens VDO Automotive, Regensburg, Germany
2002 - 2005Vice President, Information Technology, Europe & International, Johnson Controls, Burscheid, Germany
1995 - 2001Various positions in Germany, France & Mexico for GEDAS (SW-Subsidiary of Volkswagen AG, later acquired by Deutsche Telekom)
 1990 – 1995Business Process Reengineering Expert; Executive Assistant to
Corporate CIO, Volkswagen, Germany
Education and Training1988 -
1990		MSc, Computer- & Information-Science, Radboud University of
Nijmegen, Netherlands
MBA, Erasmus University Rotterdam, Netherlands
Membership in Supervisory Boards to be established under applicable lawNone
Membership in comparable domestic and foreign control bodies of commercial enterprises
  • Swisscom AG, Switzerland (Non-Executive Director / Member of the Board of Directors)
Ulrich Harnacke

Ulrich Harnacke


  • Nationality: German
  • Year of birth: 1957
  • Place of birth: Aachen, Germany
  • Profession: Chartered accountant and independent business consultant
Ulrich HarnackeMember of the Supervisory Board since June 8, 2017, elected until the end of the General Shareholders’ Meeting 2027.
CommitteesMember and Chair of the Audit and Compliance Committee since June 8, 2017.
Specific expertise and experienceMore than 40 years of professional experience as auditor and consultant of German and international clients, with extensive experience in corporate governance, risk management, compliance, and M&A with international mainly stock listed companies.
Career2015 -
2023		Independent Business Consultant and Partner, Rhodion Advisors GmbH, Düsseldorf, Germany
2007 -
2015		Partner and Managing Director, Deloitte GmbH, Wirtschaftsprüfungsgesellschaft, Munich, Germany
1997 -
2006		Member of the Board of Management, BDO AG Wirtschaftsprüfungsgesellschaft, Hamburg, Germany
1981 -
1997		Auditor and Tax Consultant
Education and Training1976 -
1981		Business Administration (Diploma), University of Cologne and RWTH Aachen, Germany
Membership in Supervisory Boards to be established under applicable lawNone
Membership in comparable domestic and foreign control bodies of commercial enterprises
  • Zentis GmbH & Co. KG, Aachen, Germany (member of the Advisory Board)

Dominik de Daniel

  • Nationality: German, Swiss
  • Year of birth: 1975
  • Place of birth: Lörrach, Germany
  • Profession: Chief Executive Officer
Dominik de DanielMember of the Supervisory Board since May 22, 2025, elected until the end of the General Shareholders’ Meeting 2028.
CommitteesMember of the Audit and Compliance Committee since May 22, 2025.
Specific expertise and experienceMore than 20 years C-suite leadership experience in various listed, globally leading companies in the business services industry with a focus on Logistics, Strategy, Finance, M&A, Process Improvement, IT & Digitalization and Investor Relations
CareerSince 2024Chief Executive Officer, Kühne Holding AG, Schindellegi, Switzerland
2019 -
2023		Chief Financial Officer, SGS SA, Geneva, Switzerland
2015 -
2018		Chief Financial Officer and Chief Operating Officer, IWG PLC, Zug, Switzerland
2006 -
2015		Chief Financial Officer and Global Head of Solutions , Adecco SA, Zürich, Switzerland
2000 -
2006		Various positions at DIS AG, Düsseldorf, Germany
(Chief Financial Officer and Head of Investor Relations and M&A)
Education and Training1998 -
1999		Degree CEFA Investment Analyst at DVFA, Frankfurt, Germany
1995 -
1997		Degree “Bankfachwirt” at the Bank Academy, Freiburg, Germany
1993 -
1995		Vocational Training with the degree “Bankkaufmann”, DB Lörrach, Germany
Membership in Supervisory Boards to be established under applicable law
  • Flix SE, Munich, Germany (not listed) (member of the Supervisory Board)
  • Aenova Holding GmbH, Starnberg, Germany (not listed) (Group company of Kühne Holding AG) (Chair of the Supervisory Board)
Membership in comparable domestic and foreign control bodies of commercial enterprises
  • Kuehne + Nagel International AG, Schindellegi, Switzerland (listed) (Group company of Kühne Holding AG) (Non-executive member of the Board of Directors)

Karl von Rohr

  • Nationality: German
  • Year of birth: 1965
  • Place of birth: Essen, Germany
  • Profession: Lawyer, member of Company and Foundation Boards
Karl von Rohr Member of the Supervisory Board since July 9, 2025, elected until the end of the General Shareholders’ Meeting 2028.
CommitteesMember and Chair of the Nomination and Remuneration Committee since July 9, 2025.
Specific expertise and experienceGermany-, US- and Swiss trained Lawyer with three decades of executive and non-executive experience in large international publicly listed as well as family-owned companies across multiple industries.
Career2015 -
2023		Member of the Management Board, (Deputy Chairman until 2023) Deutsche Bank AG, Frankfurt/Main, Germany
2013 -
2015		Global Chief Operating Officer, Regional Management, Deutsche Bank AG, Frankfurt/Main, Germany
2004 -
2013		Global Human Resources Business Partner and various global roles in Human Resources, Deutsche Bank AG, Frankfurt/Main, Germany
2004Global Chief Operating Officer for Legal, Audit und Compliance, Deutsche Bank AG, Frankfurt/Main, Germany
2000-
2004		Member of the Management Board, Chief Financial Officer, Chief Operating Officer, Deutsche Bank SA/NV, Brüssels, Belgium
1997-
2000		Various positions at Deutsche Bank AG, Frankfurt/Main, Germany: Private Banking International, Strategic Business Development, Group Strategy / Corporate Development, Department Special Projects
Education and Training1994 -
1996		Second State Exam, Hanseatic Higher Regional Court, Hamburg, Germany
1994-
1995		Teaching Assistant, University of the Federal Armed Forces, Faculty of Public Law, Hamburg, Germany
1993 -
1994		LL.M. (Master of Laws), Cornell University, Ithaca, New York, USA
1987 -
1992		Law degree, First State Examination, Universities of Bonn, Kiel in Germany and Lausanne, Switzerland
Membership in Supervisory Boards to be established under applicable law
  • DWS Group GmbH Co. KGaA, Frankfurt/Main, Germany (listed) (member of the Supervisory Board)
Membership in comparable domestic and foreign control bodies of commercial enterprises None

Susanne Wiegand

  • Nationality: German
  • Year of birth: 1972
  • Place of birth: Kassel, Germany
  • Profession: Supervisory Board member and investor
Susanne WiegandMember of the Supervisory Board since July 9, 2025, elected until the end of the General Shareholders’ Meeting 2028.
CommitteesMember of the Audit and Compliance Committee since May 20, 2026.
Specific expertise and experienceExecutive with over 20 years of experience in senior management roles in international publicly listed and family-owned companies in defence, mechanical engineering/construction and shipbuilding industries. She has a track record in the areas of growth strategies, IPOs, transformation and industrial markets.
Career2021 - 2024Chair of the Management Board, RENK Group AG, Augsburg, Germany
2018 - 2021CEO Division Electronic Solutions and member of the Defense Executive Board, Rheinmetall AG, Bremen/Düsseldorf, Germany
2007 - 2018Managing Director, NOBISKRUG GmbH, Rendsburg, Germany; German Naval Yards Kiel GmbH, Kiel, Germany; Lindenau Werft GmbH, Kiel, Germany
2005 - 2007Senior Vice President and Head of Strategy, Business Development and M&A, ThyssenKrupp Marine Systems GmbH, Hamburg, Germany
2001 - 2005Management Consultant with projects (amongst others) at Fresenius, Daimler and ThyssenKrupp in Germany
1999 - 2001Senior Vice President Business Development, T-Systems International GmbH, Frankfurt/Main, Germany
1996 - 1999Management Consultant, Unit Manager Chemical/Pharmaceutical Industry, Diebold Deutschland GmbH, Eschborn, Germany

Education and Training		1991 - 1996Master of Business Administration, Goethe University, Frankfurt/Main, Germany
Membership in Supervisory Boards to be established under applicable law
  • BWI GmbH, Meckenheim, Germany (not listed) (member of the Supervisory Board)
  • Volkswagen AG, Wolfsburg, Germany (listed) (member of the Supervisory Board)
Membership in comparable domestic and foreign control bodies of commercial enterprises
  • Czechoslovak Group a.s., Prague, Czech Republic (listed) (member of the Board of Directors)
By way of a resolution dated September 4, 2025, the Supervisory Board has adopted the following Rules of Procedure: