Boards

Supervisory Board

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  Marco Freiherr von Maltzan

  Chairman of the Board

  Marco Freiherr von Maltzan was born on March 17, 1955, in Cologne. He began his career at Roland Berger (1983–1987) and then moved to the BMW Group (1987–2002), where he held various management positions, most recently as head of the BMW Motorrad division and responsible for the production plant in Berlin.
  Mr von Maltzan then became Chairman of the Executive Board (CEO and CFO) of automotive supplier BERU AG (2003–2007) before being appointed Chairman of the Management Board (CEO) of the German profine Group in 2008 (2008–2011). From 2015 to 2016, he served as the sole member of the Executive Board of Greiffenberger AG, where he subsequently served as Chairman of the Supervisory Board until 2021. In addition to his full-time positions, Mr von Maltzan served on the supervisory and advisory boards of a number of well-known companies.

  Mr von Maltzan was appointed Chairman of the Supervisory Board for a term of five years on 11 June 2025.

  Mr von Maltzan is a member of the following administrative, management or supervisory bodies, or a member in comparable German or foreign supervisory bodies, or a partner in the following companies outside the Group:

  • Pfeifer & Langen Industrie- und Handels KG: Deputy Chairman of the Shareholders' Committee and member of the Audit Committee
  • UKM Holding: Chairman of the Advisory Board
  • Resources Connection, Inc.: Member of the Board of Directors, Member of the Audit Committee
  • Walter Klein GmbH & Co. KG: Chairman of the Advisory Board
  • WKW Automotive AG: Chairman of the Supervisory Board

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  Lars Ahns

  Deputy Chairman of the Board

  Lars Ahns was born in 1979. He studied business administration at the University of Cologne from 2001 to 2007 and graduated with a degree in business administration. He subsequently worked for nine years as an equity analyst and investment manager at the listed Scherzer & Co. AG, an investment company specializing in value investments and special situations. In 2016, he became self-employed by expanding rubicon equities GmbH, which he had already founded as a student, into a long-term oriented investment boutique. He also initiated the launch of the Rubicon Stockpicker Fund and took over the advisory role for the fund. His work focuses in particular on the analysis and support of European small and mid-cap companies. From 2014 to 2023, Mr Ahns was also a member of the Supervisory Board of Chapters Group AG, a listed investment holding company specializing primarily in software companies.

  Mr Ahns was appointed as a member of the Supervisory Board for five years on 11 June 2026.

  Currently, Lars Ahns is not a member of administrative, management or supervisory bodies or a member of comparable German or foreign supervisory bodies or a partner in companies outside the Group.

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  Gabriele Fontane

  Gabriele Fontane was born in 1965. After a position as an associate at the law firm Curtis Mallet-Prevost Colt & Mosle, New York (1993-1994) Dr. Fontane worked as an associate at Thümmel, Schütze & Partner, where she became an equity partner in 1998. In 2009 Dr. Fontane founded Otto Mittag Fontane, a law office specialized in advising on M&A, private equity and banking transactions. From 2018 to October 2025, Dr. Fontane was an equity partner at the law firm Oppenhoff. Since November 2025, she has been Of Counsel at the law firm Schalast Law│Tax.

  Dr. Fontane was appointed as a member of the Supervisory Board for 5 years on 11 June 2026.

  Currently, Dr. Fontane is not a member of  administrative, management or supervisory bodies or a member of comparable German or foreign supervisory bodies or a partner in companies outside the Group.

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  Daniel Michael Kartje

  Daniel Kartje was born in 1974. From 1999 to 2001, Mr Kartje worked as a consultant in the Valuation & Strategy department at PricewaterhouseCoopers Deutsche Revision AG in Dusseldorf, and from 2001 to 2003 as a senior consultant in the Mergers & Acquisitions department at PricewaterhouseCoopers Corporate Finance Beratung GmbH in Frankfurt. From 2003, Mr Kartje worked at Finatem Fonds Management Verwaltungs GmbH, Frankfurt am Main, initially as an investment manager, and became investment director and partner in 2009. From October 2023 to February 2024, Mr Kartje served as managing director of Crossgate GmbH, an M&A and corporate finance advisory firm. Since April 2024, he has been CEO of Gitone Beteiligungsverwaltungs GmbH in Vienna, and since January 2025 he has also been a member of the Management Board of Holster Privatstiftung in Vienna.

  Mr Kartje was appointed as a member of the Supervisory Board for a term of five years on 11 June 2026.

  Mr Kartje is a member of the following administrative, management or supervisory bodies, or a member in comparable German or foreign supervisory bodies, or a partner in the following companies outside the Group:

  • CODAK GmbH, Kronberg, Germany: managing director
  • Liburnia Riviera Hoteli d.d., Opatija, Croatia, Member of the Supervisory Board