Management

Mr Pfeffer studied physics in Tübingen. He began his professional career in 1994 as an application engineer and project manager at Hewlett-Packard. This was followed by 10 years in the automotive industry, where he held various management positions at the Stuttgart-based company Behr. Between 2009 and 2017, he was Managing Director of the medium-sized automation specialist Hirschmann Automation & Control. This was followed by various management positions at fan specialist ebm-papst before he took over responsibility for the automation and solutions business of the Minden-based WAGO Group in 2022.

Johannes Pfeffer has broad specialist and management experience in sales, R&D and operations as well as extensive strategic and operational experience in various industries. 

Status: December 2024

Ms. Holzbaur studied Business Administration. She began her career in 1996 as Financial Analyst at Honeywell and moved to the Group headquarters in the USA as an internal auditor. This was followed by various positions in controlling in industry and retail. From 2006 to 2013, she was Finance Director and Director Program Management at CareFusion Germany, where she was responsible for Finance and Controlling Europe as well as numerous restructuring and M&A projects. Ms. Holzbaur moved as CFO Europe to Güntner Group Europe GmbH, a global leader in the manufacture of heating and cooling solutions, in 2013. Since 2018, she has been responsible as Managing Director for the European holding company, Güntner GmbH & Co. KG and the internal IT and digitization company Spark Radiance GmbH. Ms. Holzbaur has international management experience as well as extensive strategic and operational experience in various industries.

Status: December 2024

Member of the Supervisory Board since 25 July 2013 and Chairman of the Supervisory Board since 12 June 2023.

Studied business administration in Mannheim and Cologne, Dipl.-Kfm. Since 1993 managing partner of Helios GmbH, Neuenrade, since 1994 also managing partner of Platestahl Umformtechnik GmbH, Lüdenscheid.

Mr Heimöller has many years of management experience in medium-sized industry.

He is not a member of statutory supervisory boards or other comparable domestic or foreign supervisory bodies.

Status: December 2024

Member of the Supervisory Board since 31 August 2017 and Deputy Chairman of the Supervisory Board since 12 June 2023.

Mr Große-Allermann began his professional career in 1991 at Deutsche Bank AG, Cologne. From 1995 to 2000, he worked as a freelance management consultant specialising in the real estate sector. From 1997 until the beginning of 2003, Mr Große-Allermann was Chief Financial Officer of Condomi AG, Cologne. From 2003 to 2024, he was a member of the management board of Fiducia Treuhand AG, Bonn, and from 2008 to 2024, he was a member of the management board of Investmentaktiengesellschaft für langfristige Investoren TGV, Bonn. Since the beginning of 2024, he has been a member of the management board of Shareholder Value Management AG, Frankfurt.

Status: December 2024

Member of the Supervisory Board since 18 August 2015

Studied business administration in Saarbrücken and London, 1998 doctorate (Dr.-sc. agr.).

Many years of professional and management experience in management consultancy and in internationally operating companies.

Since 2004 various management functions within the E.ON Group. 2014 to 29 February 2020 Managing Director, 01 March to 30 June 2020 Member of the Management Board of E.ON Inhouse Consulting GmbH, Essen.

Status: December 2024

Member of the Supervisory Board since 1989 and Chairman of the Supervisory Board from 1989 until 12 June 2023.

Dipl. Kfm., auditor and tax consultant. Founder of GESCO SE (then AG)

Studied business administration and technical business administration at the Universities of Cologne and Karlsruhe.

He has many years of professional experience as an auditor, tax consultant and management consultant.

1983 to 1999 Board member of a national auditing company.

Shareholder of MBB Möllerfriedrich Beteiligung & Beratung GmbH, Wuppertal.

Partner of Pares Strategy Partners, Cologne.

Member of numerous supervisory and advisory boards over the past 30 years, including two listed companies.

Deputy Chairman of the Supervisory Board: TopAgers AG, Langenfeld

Status: December 2024