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Stephan Günter Maas, Cologne, Germany

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Active participations
Company Type of participation Size
Only investments greater than 0.5% will be shown.
13 Oct 2025
Managing Director: Stephan Günter Maas
30 Aug 2023
Managing Director: Ingo Stober · No longer Managing Director: Stephan Günter Maas
19 Dec 2022
Managing Director: Stephan Günter Maas
22 Aug 2023
Managing Director: Ingo Stober · No longer Managing Director: Stephan Maas
20 Dec 2022
Managing Director: Stephan Maas
17 Aug 2023
Managing Director: Ingo Stober · No longer Managing Director: Stephan Maas
13 Dec 2022
Managing Director: Stephan Maas
22 Aug 2023
Managing Director: Ingo Stober · No longer Managing Director: Stephan Günter Maas
19 Dec 2022
Managing Director: Stephan Günter Maas
16 Mar 2006
Managing Director: Stephan Günter Maas
16 Mar 2006
Managing Director: Stephan Günter Maas · No longer Managing Director (1)
16 Apr 2025
No longer Managing Director (3) · Managing Director (3)
21 Jan 2025
Managing Director: Stephan Günter Maas
15 Apr 2025
Managing Director: Jason R. L. Clarke, Carlos E. Mack · No longer Managing Director (3)
21 Jan 2025
Managing Director: Stephan Günter Maas
14 Apr 2025
Managing Director: Jason R. L. Clarke, Carlos E. Mack · No longer Managing Director (3)
28 Jan 2025
Managing Director: Stephan Günter Maas
21 Jun 2016 as IVG Caverns GmbH
No longer Managing Director: Stephan Maas
11 Feb 2016 as IVG Caverns GmbH
Managing Director (4) · Authorized signatory (ppa) (4) · Change of headquarters: IVG Caverns GmbH · Address · Capital: €26M · Share­holder agreement · Proxy policy · Corporate Purpose
21 Mar 2014 as IVG Caverns GmbH
Managing Director: Stephan Maas, Ralf Schmitz · No longer Managing Director (2)
23 May 2016 as IVG Kavernenbetriebsführungsgesellschaft mbH
Managing Director: Thomas Kleefuß · No longer Managing Director: Stephan Maas
3 Jun 2014 as IVG Kavernenbetriebsführungsgesellschaft mbH
Managing Director: Stephan Maas · No longer Managing Director (1)
27 Jan 2012
Partner: Stephan Maas

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