The Supervisory Board of Salzgitter AG
The core tasks of the Supervisory Board are to advise and supervise the Executive Board in its management of the company. In accordance with the law, certain fundamental decisions may only be made with its approval. It has determined that, in addition, certain types of transactions require its approval. The members of the Supervisory Board are liable to the company for any dereliction of duty.
The Supervisory Board comprises 21 members, specifically ten shareholder and ten employee representatives plus one other member. This composition has been laid down under the provisions of the Co-Determination Amendment Act applicable to the company, in conjunction with Article 7 of the company’s Articles of Incorporation.
Profile
Heinz-Gerhard Wente
Retired member of the Executive Board of Continental AG
Personal data:
Year of birth: 1951
Nationality: German
Gender: male
Member of the Supervisory Board since September 16, 2015, Chairman since 2016
Elected until 2028
Education:
Commercial apprenticeship at Continental AG
Studies of business sciences in Hanover and Göttingen / Dipl.-Kfm.
Professional background:
1978 Started at Continental in Industrial Engineering, later various tasks in marketing/controlling
1993 Member of the Executive Board of ContiTech Antriebssysteme GmbH
1998 Chairman of the Executive Board of ContiTech Antriebssysteme GmbH
2000 Chairman of the Executive Board ContiTech Vibration Control GmbH
2001–2008 Head of the ContiTech Fluid Technology business unit
2007 Member of the Executive Board of Continental AG as Chief Human Resources Officer and Labor Director
2008 additionally Chairman of the Executive Board of ContiTech AG and head of this division of the Continental Group
2011 after relinquishing the function of Chief Human Resources Officer, in addition to managing the ContiTech division, responsibility for Group Purchasing of Continental AG
2015 Retirement from the Executive Board of Continental AG after expiry of the contract
Prof. Dr. Hans-Jürgen Urban
Profile
Prof. Dr. Hans-Jürgen Urban
Managing Director at IG Metall, Frankfurt am Main
Personal data:
Year of birth: 1961
Nationality: German
Gender: male
Member of the Supervisory Board since May 21, 2008, Vice-Chairman since 2011
Elected until 2028
Education:
Studies in Politics, Economics and Philosophy in Bonn, Gießen and Marburg
Doctoral degree Dr. phil. Social Sciences and Philosophy at Philipps-Universität Marburg
2014 Habilitation and private lecturer for sociology at the Friedrich Schiller University Jena
Professional background:
1991 Trade Union Secretary District Management at IG Metall, Frankfurt/Main
1992 Trade Union Secretary Social Policy Department at IG Metall Management Board
1998–2003 Head of Social Policy Department (since 2001 Functional Area Social Policy) at IG Metall Management Board
2001 Research stay as a guest scientist at Wissenschaftszentrum für Sozialforschung Berlin (WZB)
2003 Head of Functional Area Social Policy/Fundamental Issues/Strategic Planning at IG Metall Management Board
since 2007 Managing Director at IG Metall
since 2023 Honorary professor of sociology at the Friedrich Schiller University Jena
Other activities:
Member of the Administrative Council at Bundesagentur für Arbeit
Institute Advisory Board DGB Index Gute Arbeit
Member of the Board of Trustees at Hertie School of Governance, Berlin
Vice-Chairman of the Board of Trustees of the Federal Institute for Occupational Safety and Health
Honorary judge at the Federal Labor Court in Erfurt
Frank Klingebiel
Profile
Frank Klingebiel
Full-time Lord Mayor of the independent city of Salzgitter
Personal data:
Year of birth: 1964
Nationality: German
Gender: male
Member of the Supervisory Board since May 19, 2021
Elected until 2028
Education:
Training for the career of the higher non-technical administrative service in the Federal Property Administration (Bundesvermögensverwaltung); graduate of a university of applied sciences with a degree in finance (Diplom-Finanzwirt)
Professional background:
1987–1988 Federal Property Office Soltau, real estate and property administration
1988–1989 Basic military service
1989–1994 District of Goslar, Human Resources and Supervision of District and Joint Municipalities
1994–1997 Ministry of Commerce, Technology and Transport of Lower Saxony, "Calibration, Metrology and Public Pricing Law"
1997–2006 Ministry of the Interior and Sport of Lower Saxony, "Supreme Financial Supervision of Counties and independent Cities" and "Administration of the Annual Needs Allocation Fund of 100 million euros p.a. under the Lower Saxony Fiscal Equalisation Act"
since 2006 Full-time Lord Mayor of the independent city of Salzgitter
Other activities:
Member of steering committee of Deutsche Sektion des Rates der Gemeinden und Regionen Europas (RGRE)
Member of steering committee of Deutscher Städtetag (DST) and Deutscher Städte- und Gemeindebund (DStGB)
President of Niedersächsischer Städtetag (NST)
Member of various association committees, trust committees and regional advisory committees
Mandates
Lord Mayor of the independent City of Salzgitter, Salzgitter
Other non-listed companies:
a)
- Braunschweigische Landessparkasse, Braunschweig (Board of Administration, First Vice Chairman)
- Öffentliche Versicherung Braunschweig, Braunschweig (Supervisory Board)
- Helios Klinikum Salzgitter GmbH, Salzgitter (Supervisory Board, Vice Chairman)
b)
- WEVG Salzgitter GmbH & Co. KG, Salzgitter (Supervisory Board, Chairman)
- ASG Abwasserentsorgung Salzgitter GmbH, Salzgitter (Supervisory Board), until March 18, 2022
- Entsorgungszentrum Salzgitter GmbH, Salzgitter (Supervisory Board, Chairman)
- Projektgesellschaft Salzgitter-Watenstedt GmbH, Salzgitter (Supervisory Board, Chairman)
- Wohnungsbaugesellschaft mbH Salzgitter, Salzgitter (Supervisory Board)
- Kraftverkehrsgesellschaft mbH Braunschweig, Salzgitter (Supervisory Board)
- Allianz für die Region GmbH, Braunschweig (Supervisory Board)
- Wirtschafts- und Innovationsförderung Salzgitter GmbH, Salzgitter (Supervisory Board), since February 16, 2022
Ulrike Brouzi
Profile
Ulrike Brouzi
Management Board DZ BANK AG
Personal data:
Year: 1965
Nationality: German
Gender: female
Member of the Supervisory Board since May 23, 2013
Elected until 2028
Education:
Studies in Business Mathematics at the University of Augsburg
Dipl. Math. oec.
Professional background:
1990–2007 Bayern LB (various positions)
2008–2010 NORD/LB Head of Risk Controlling
2010–2012 NORD/LB General Manager Financial Markets
2012–2018 NORD/LB Executive Board Member (CFO/COO)
since 2018 Executive Board Member at DZ BANK AG, Deutsche Zentral-Genossenschaftsbank, Frankfurt am Main
since 2019 CFO at DZ BANK AG, Deutsche Zentral-Genossenschaftsbank, Frankfurt am Main
Other activities:
none
Mandates
Member of the Management Board of DZ BANK AG Deutsche Zentral-Genossenschaftsbank, Frankfurt am Main
Other non-listed companies:
a)
- Bausparkasse Schwäbisch Hall AG, Schwäbisch Hall
- R+V Allgemeine Versicherung AG, Wiesbaden
- R+V Lebensversicherung AG, Wiesbaden
- Union Asset Management Holding AG, Frankfurt am Main
- DZ CompliancePartner GmbH, Neu-Isenburg (Vice Chairwoman)
Dr. Bernd Drouven
Profile
Dr. Bernd Drouven
Retired Chairman of the Executive Board of Aurubis AG
Personal data:
Year of birth: 1955
Nationality: German
Gender: male
Member of the Supervisory Board since May 24, 2018
Elected until 2028
Education:
Studied metallurgy and electrometallurgy at RWTH Aachen
Postdoc at Carnegie-Mellon University in Pittsburgh (Pennsylvania, USA)
Professional background:
1982–1987 Head of Department at Preussag AG Metall
1987–1988 General Manager IC Metals Division Singapore, Degussa AG
1988–1991 Managing Director of Demetron Gesellschaft für Elektronikwerkstoffe mbH (Degussa AG group company)
1991–1998 Managing Director of Leybold Materials GmbH (Degussa AG group company)
1995–1997 Head of Business Unit Materials at Balzers and Leybold
1998–2000 Executive Board Member at Possehl Besi Electronics N.V.
2000–2001 Chairman of the Executive Board at Possehl Besi Electronics N.V.
2001–2003 Managing Director of Spiess-Urania Chemicals GmbH
2004–2005 Vice President Strategic Planning/International Affairs at Norddeutsche Affinerie AG (now Aurubis AG)
2006–2008 CFO at Norddeutsche Affinerie AG (now Aurubis AG)
2008–2011 Chairman of the Executive Board at Aurubis AG
2013–2014 Supervisory Board Member at Aurubis AG
2014–2015 Chairman of the Executive Board at Aurubis AG
2015–2018 Supervisory Board Member at Aurubis AG
Other activities:
none
Karin Hardekopf
Profile
Karin Hardekopf
Member of the Executive Board of GP Günter Papenburg AG, Hanover
Persional data:
Year of birth: 1965
Nationality: German
Gender: female
Member of the Supervisory Board since January 1, 2023
Elected until 2028
Education:
1984–1986 Apprenticeship as a bank clerk at Vereins- und Westbank AG, Hanover
1986–1991 Studied business administration at the universities of Bayreuth and Passau, graduating with a degree in business administration
Professional background:
1992–1995 Managing Director of GP Günter Papenburg GmbH
since 1995 Member of the Executive Board of GP Günter Papenburg AG
Other activities:
Economic Advisory Board of NORD/LB, Hanover
Board of Trustees of the Institut der Norddeutschen Wirtschaft e.V.
Gerald Heere
Profile
Gerald Heere
Lower Saxony Minister of Finance, Hanover
Personal data:
Year of birth: 1979
Nationality: German
Gender: male
Member of the Supervisory Board since January 3, 2023
Elected until 2028
Education:
2005 Master's degree at the Technical University of Braunschweig with major in political science and minors in history and computer science
Professional background:
2005–2006 Advisor for the Bündnis 90/Die Grünen parliamentary group in the state parliament
2006–2012 Research Assistant at the Chair of International Relations and Comparative Government, Institute of Social Sciences, TU Braunschweig
2012–2013 Lecturer at the Chair of International Relations and Comparative Government, Institute of Social Sciences, TU Braunschweig
2013–2017 Member of the Lower Saxony State Parliament
since 2015 Member of the Group Executive Committee
2019 freelance political scientist
2019–2021 Head of the Senator's Office - The Senator for Finance, Free Hanseatic City of Bremen
2021–2022 Member of the Lower Saxony State Parliament
since 2022 Lower Saxony Minister of Finance
Other activities:
none
Prof. Dr. Susanne Knorre
Profile
Prof. Dr. Susanne Knorre
Management consultant
Personal data:
Year of birth: 1961
Nationality: German
Gender: female
Member of the Supervisory Board since May 24, 2018
Elected until 2028
Education:
Studied political science and economics at the universities of Hamburg and Basel
Economics traineeship; graduated as a political scientist, state examination for senior public administration
Postdoc at University of Hamburg
Professional background:
1988–1991 Advisor to the Ministry of Economic Affairs and Transport for the state of Rheinland-Pfalz
1991–1994 Head of the Minister's Office at the Ministry of Economic Affairs and Transport for the state of Rheinland-Pfalz
1994–1998 Preussag AG, Assistant to the Chairwoman of the board of directors
1998–2000 Head of Group Communications at Preussag AG
2000–2003 Minister for Economic Affairs, Technology and Transport for the state of Lower Saxony, Hanover
2003–2015 Various lecturing positions at University of Hanover, Lucerne University of Applied Sciences and Arts, University of Cape Town, University of Hildesheim
2003–2005 Managing Director at GROTE&KNORRE GmbH and Management Partner at Weber Shandwick Kommunikationsberatung
since 2005 self employed Management consultant
since 2007 part-time professor of communication management at Osnabrück University of Applied Sciences
Other activities:
Prof. Dr. Susanne Knorre also teaches at national and international universities and is involved in specialist committees and associations in business and politics. She works as an author and is the editor of textbooks and reference books on communication-centered management theory.
Heinz Kreuzer
Profile
Heinz Kreuzer
Retired Chairman of the Management Board of TUI InfoTec GmbH
Personal data:
Year: 1954
Nationality: German
Gender: male
Member of the Supervisory Board since May 24, 2018
Elected until 2028
Education:
Studied mathematics, physics and IT at University of Bonn
Graduated as mathematician
Professional background:
1981–1983 Organisation assistant at Kodak AG, Stuttgart
1983–1987 Group Leader "Data Administration" at Württembergische Feuerversicherung AG, Stuttgart
1987–1989 Systems Development Manager at Dun & Bradstreet Schimmelpfeng GmbH, Frankfurt
from 1988 Additional responsibility for the Technical Services department
1989–1992 Head of IT at Helvetia Versicherungen, Frankfurt
1992–1995 Head of IT and Management Board Member for Helvetia Department for Germany
1995–1997 Director of Information Systems for TUI GmbH & Co. KG, Hanover
1997–1999 Managing Director at TUI InfoTec GmbH
1999–2000 Management spokesperson at TUI InfoTec GmbH, also management spokesperson for Preussag Systemhaus GmbH
2000–2007 Chief Information Officer (CIO) at Preussag AG (now TUI AG)
from 2003 Also Director of Group Contracting at TUI AG
2007–2018 Chairman of the Board at TUI InfoTec GmbH
2020–2021 Chairman of the Board eves_information technology AG, Braunschweig
Other activities:
until 2023 Lectureship at Osnabrück University of Applied Sciences "Leadership in a digital economy"
Klaus Papenburg
Profile
Klaus Papenburg
Member of the Board of Directors of GP Günter Papenburg AG, Halle
Personal data:
Year of birth: 1970
Nationality German
Gender male
Member of the Supervisory Board since July 21, 2021
Elected until 2028
Education:
Studied business administration at the University of Passau, graduating with a degree in business administration.
Professional background:
since 1998 Managing Director of various companies of GP Günter Papenburg AG
1999–2019 Member of the Supervisory Board of GP Günter Papenburg AG
since 2019 Member of the Board of Directors of GP Günter Papenburg AG
Other activities:
none
Prof. Dr. Joachim Schindler
Profile
Prof. Dr. Joachim Schindler
Member of various supervisory boards
Personal data:
Year of birth: 1957
Nationality: German
Gender: male
Member of the Supervisory Board since November 24, 2017
Elected until 2028
Education:
Studies in Business Administration in Würzburg and Cologne / Degree: Dipl.-Kfm.
Dr. rer. pol., distance learning college FernUniversität Hagen
Auditor / Tax Consultant
Professional background:
1982–1989 Medium-sized auditing company
1989–2015 KPMG AG (Cologne, London, Berlin
since 1995 Partner
2004–2012 Member of the Management Board
2005–2010 additionally Head of Audit EMA-Region
2010–2013 Global Head of Audit, Global Executive Team, KPMG International
2009–2020 Honorary professor Freie Universität Berlin
2015–2019 Auditor in own company
Other activities:
none
Dr. Susanna Zapreva-Hennerbichler
Profile
Dr. Susanna Zapreva-Hennerbichler
Chairwoman of the Executive Board enercity AG, Hanover
Personal data:
Year of birth: 1973
Nationality: Austrian
Gender: female
Member of the Supervisory Board since May 25, 2023
Elected until 2028
Education:
Diploma studies in electrical engineering at the Technical University of Vienna
Doctoral studies in technical sciences
Diplomstudium Betriebswirtschaft an der Wirtschaftsuniversität Wien
Professional background:
1997-2001 University assistant at the Vienna University of Technology and independent consultant
2001-2021 Managing Director and other management functions of Wienstrom GmbH, Vienna
2010-2016 Managing Director of Wien Energie GmbH, Vienna
2016-2023 Chairwoman of the Management Board of enercity AG, Hanover
from 2024 Member of the Managing Board of Verbund AG, Vienna
Other activities:
Chairwoman of the Government Commission of the State Government of Lower Saxony
Member of the Hydrogen Council of the German Federal Government
Member of the Board of the German Association of Energy and Water Industries
Member of the Executive Committee and Board of the Association of Municipal Enterprises
Mandates
Chairwoman of the Executive Board enercity AG, Hanover
Listed companies:
a)
- Member of the Supervisory Board of PNE - Pure New Energy AG since May 2019
- Member of the Supervisory Board of CropEnergies AG since May 2022
Other memberships:
- Chairwoman of the Government Commission of the State Government of Lower Saxony
- Member of the Hydrogen Council of the German Federal Government
- Member of the Board of the German Association of Energy and Water Industries
- Member of the Executive Committee and Board of the Association of Municipal Companies
Konrad Ackermann
Profile
Konrad Ackermann
Chairman of the Works Council KHS GmbH, Dortmund
Personal data:
Year of birth: 1959
Nationality: German
Gender: male
Member of the Supervisory Board since May 23, 2013
Elected until 2028
Education:
1975–1979 Power electronics technician
Professional background:
1979–2001 Production at KHS GmbH, Dortmund
since 2002 Full-time Works Council Member at KHS GmbH
2008–2013 Vice Chairman of the Works Council at KHS GmbH
since 2013 Chairman of the Works Council at KHS GmbH
since 2013 Chairman of the Group Works Council at KHS GmbH
since 2013 Chairman at ARGE Technologie der Salzgitter AG
Other activities:
since 2006: Lay judge (Labor Court Hamm)
Manuel Bloemers
Profile
Manuel Bloemers
Union Secretary IG Metall management board
Personal data:
Year of birth: 1980
Nationality: German
Gender: male
Member of the Supervisory Board since July 1, 2021
Elected until 2028
Education:
2003–2006 Training as a chemical laboratory technician
2007–2008 Trainee Industriegewerkschaft Bergbau, Chemie, Energie
Professional background:
2006–2007 Chemical laboratory technician, Sanofi Deutschland GmbH, Frankfurt a.M.
2008–2019 Union Secretary Industriegewerkschaft Bergbau, Chemie, Energie
since 2019 Union Secretary IG Metall management board
Other activities:
none
Hasan Cakir
Profile
Hasan Cakir
Chairman of the Group Works Council of Salzgitter AG, Salzgitter
Personal data:
Year of birth: 1969
Nationality: German
Gender: male
Member of the Supervisory Board since July 17, 2006
Elected until 2028
Education:
Apprenticeship as a fitter at Stahlwerke Peine-Salzgitter AG
Industrial Foreman in Salzgitter
Professional background:
1988–1994 Youth and Trainee Representative
1988–1990 Employee in Production and Maintenance
1990–1994 Chairman of the Youth and Trainee Representation and Chairman of the Corporate Youth and Trainee Representation at Preussag Stahl AG
1994–1998 Member of the Works Council / Local Works Council at Preussag Stahl AG for the surface finishing works
1998–2002 Member of the Works Council at Preussag Stahl AG and Member of the Managing Works Council,
Deputy spokesperson for the Personnel Committee
since 2002 Member of the Works Council Salzgitter Flachstahl GmbH
2006–2014 Chairman of the Working Group Steel
since 2006 Chairman of the Works Council Salzgitter Flachstahl GmbH
since 2006 Member of the Group Works Council and the Group Works Council Committee
since 2006 Member of the Bargaining Commission and of the Negotiating Commission Steel
since 2006 Alternating Head of the Administrative Board BKK 2010
since 2013 Chairman of the Working Group Steel
Other activities:
none
Marco Gasse
Profile
Marco Gasse
Chairman of the Works Council of Hüttenwerke Krupp Mannesmann GmbH, Duisburg
Personal data:
Year of birth: 1983
Nationality: German
Gender: male
Member of the Supervisory Board since February 21, 2023
Elected until 2028
Education:
2013–2016 Industrial clerk at Hüttenwerke Krupp Mannesmann GmbH
Professional background:
2016–2018 Road and inland waterway transport clerk at Hüttenwerke Krupp Mannesmann GmbH
since 2018 Full-time Member of the Works Council of Hüttenwerke Krupp Mannesmann GmbH
since 2022 Chairman of the Works Council at Hüttenwerke Krupp Mannesmann GmbH
Other activities:
Chairman of ARGE Steel Processing Business Unit
Gabriele Handke
Profile
Gabriele Handke
Chairwoman of the Works Council of Peiner Träger GmbH, Peine
Personal data:
Year of birth: 1966
Nationality: German
Gender: female
Member of the Supervisory Board since March 1, 2015
Elected until 2028
Education:
Commercial apprenticeship at Stahlwerke Peine-Salzgitter AG (present: Peiner Träger GmbH)
Professional background:
1985–1991 Youth Representative / later Chairwoman of the Youth Representation at Stahlwerke Peine-Salzgitter AG
1986–1995 Substitute HR / Administration for the Works Council of Peine and Ilsede
1995–2010 Member of the Works Council of Peiner Träger GmbH
2010–2020 Vice-Chairwoman of the Works Council of Peiner Träger GmbH
since 2020 Chairwoman of the Works Council of Peiner Träger GmbH
Other activities:
none
Dirk Markowski
Profile
Dirk Markowski
Chairman of the Works Council and General Works Council of Mannesmann Precision Tubes GmbH, Hamm
Personal data:
Year of birth: 1964
Nationality: German
Gender: male
Member of the Supervisory Board since May 25, 2023
Elected until 2028
Education:
Industrial clerk
Professional background:
1981-1984 Apprenticeship as industrial clerk at Mannesmann Precision Tubes GmbH
subsequently technical employee in the work preparation department
since 2010 Full-time Member of the Works Council of Mannesmann Precision Tubes GmbH, Brackwede plant
since 2012 Chairman of the Works Council of Mannesmann Precision Tubes GmbH
Other activities:
Member of the European Works Council Mannesmann Precision Tubes GmbH, member of the Group Works Council and Group Works Council Committee
Vice Chairman of ARGE Steel Processing Business Unit
Member of the local branch of IG Metall in Bielefeld
Mandates
Technical employee Work preparation
Chairman of the Works Council of Mannesmann Precision Tubes GmbH Brackwede plant and
Chairman of the General Works Council of Mannesmann Precision Tubes GmbH
Non-listed companies:
- Member of the Supervisory Board of Mannesmann Precision Tubes GmbH since 2012
Other memberships:
- Member of the European Works Council Mannesmann Precision Tubes GmbH,
- Member of the Group Works Council and Group Works Council Committee
- Vice Chairman of ARGE Steel Processing Business Unit
Anja Piel
Profile
Anja Piel
Member of the National Executive Board of the DGB, Berlin
Personal data:
Year of birth: 1965
Nationality: German
Gender: female
Member of the Supervisory Board since July 22, 2021
Elected until 2028
Education:
Apprenticeship as industrial clerk in Bad Schwartau
Professional background:
1988–1998 Establishment of a mothers' center in Hameln as well as journalistic work as a freelancer for the Deister- und Weserzeitung
1998–2012 Managing Director at Grünen Ratsfraktion in Hameln
2010–2013 Chairwoman of Bündnis 90/Die Grünen Landesverband Niedersachsen
2013–2020 Member of the Lower Saxony State Parliament and Chairwoman of the Bündnis 90/Die Grünen parliamentary group
since 2020 Member of the National Executive Board of the DGB
Other activities:
none
Christine Seemann
Profile
Christine Seemann
Member of the Works Council of Salzgitter Flachstahl GmbH, Salzgitter
Personal data:
Year of birth: 1979
Nationality: German
Gender: female
Member of the Supervisory Board since May 24, 2018
Elected until 2028
Education:
Studied law in Potsdam and Bremen between 2001 and 2008.
1. State examination in law, 2009 in Bremen
Internship in the state of Lower Saxony 2009–2011
2. State examination in law, 2011
Professional background:
2012–2018 Legal advisor to Works Council, Salzgitter Flachstahl GmbH, Salzgitter
since 2018 Works Council Salzgitter Flachstahl GmbH, Salzgitter
since 2018 Chairperson at ARGE Steel Production Business Unit
since 2018 Member of Group Works Council
Other activities:
Honorary judge at the Regional Labor Court of Hanover
Member of the representatives' assembly at Deutsche Rentenversicherung Hannover-Braunschweig
Chairperson of the District Women's Committee at IG Metall, Lower Saxony/Saxony-Anhalt
Chairwoman of ARGE Steel Production Business Unit
Clemens Spiller
Profile
Clemens Spiller
Chairman of the Works Council of Salzgitter Digital Solutions GmbH, Salzgitter
Personal data:
Year of birth: 1961
Nationality: German
Gender: male
Member of the Supervisory Board since May 24, 2018
Elected until 2028
Education:
Studied IT at Technische Universität Braunschweig/graduated in IT
Professional background:
1989 Student trainee in central data processing at Stahlwerke Peine-Salzgitter AG
since 1990 Systems analyst at SIS GmbH (later renamed GESIS mbH), Salzgitter
1996–2002 Member of the Works Council of GESIS-Gesellschaft für Informationssysteme mbH
2002–2010 Deputy Chairman of the Works Council of GESIS-Gesellschaft für Informationssystems mbH
since 2010 Chairman of the Works Council of Salzgitter Digital Solutions GmbH (formerly GESIS-Gesellschaft für Informationssysteme mbH)
Other activities:
none