Governing bodies
Executive Board
Our focus on secondary real estate locations coupled with strong asset management has proven to be a resilient business model across all real estate cycles.”
Dr. Dirk Rüffel (CEO)
CEO since 1 February 2026
Appointed until 31 January 2027
Responsibilities: Strategy, asset, portfolio & property management, asset & portfolio controlling , HR, corporate communications
TBA
Our expertise in the area of financing and the cost discipline we have established within the company are benefiting us in the current market phase. ”
Tim Brückner (CFO)
CFO since 1 February 2019
Appointed until 31 December 2026
Responsibilities: Finance, accounting, treasury, investor relations, corporate governance, legal and IT
Tim Brückner (born 1977) has been the Chief Financial Officer of DEMIRE Deutsche Mittelstand Real Estate AG in Langen since 1 February 2019. He was also appointed as the CEO of Fair Value REIT-AG with effect from 20 May 2019. From 2012 until 2019, the trained banker held various positions at CORPUS SIREO Real Estate, including Managing Director of the subsidiary in Luxembourg and Head of Portfolio Management. From 2007 until 2012, Mr Brückner worked at Rothschild GmbH, his last position there being that of Vice President. From 2005 until 2007, he worked in the Global Advisory Division at HSBC in London. In 2005, Mr Brückner completed a bachelor’s degree in Business Administration, Banking and Finance, and a master’s degree in Banking & Finance, at the Hochschule für Bankwirtschaft (today’s Frankfurt School of Finance & Management). During his studies, he worked as an analyst at BHF Bank AG and NG Investment Banking.
By focusing on strong B-locations, our portfolio is resilient even in challenging market phases."
Ralf Bongers (CIO)
Chief Investment Officer since 1 April 2023
Appointed until 31 March 2026
Responsibilities: Transactions, letting
Ralf Bongers (born 1966) has been the Chief Investment Officer of DEMIRE Deutsche Mittelstand Real Estate AG in Langen since 1 April 2023. Mr Bongers brings his experience from more than 30 professional years in the real estate industry - including more than 20 years as an advisor to international financial investors and institutional real estate companies. From 2013 to 2015, he worked as an advisor for AXA Investment Managers Germany. In 2016, he took on a permanent senior position in asset management at AXA IM. From 2017 until March 2023, he headed the entire asset management at AXA IM as Head of Asset Management Germany and was operationally responsible in this role for a total portfolio of over EUR 10 billion and sales transactions of over EUR 3.5 billion.
Supervisory Board
Dr. Matthias Prochaska
(Chair)
Appointed until the 2026 AGM
Main activities outside the Company and other activities as a member of governing bodies of comparable domestic and foreign business enterprises:
No further mandates
Dr. Matthias Prochaska (born 1979) is a German lawyer with a focus on corporate and real estate law. Since 2020, he has been Executive Director at Lapithus Management Group in Luxembourg, where he has held various legal roles since 2013. Prior to that, he worked as an Associate at Arendt & Medernach in Luxembourg and as a research associate at Norton Rose LLP in Frankfurt. He holds a doctorate in law from the University of Trier, an LL.M. from the University of East Anglia, and an M.A. in Real Estate Investment & Finance from EBS. Dr. Prochaska has over 15 years of experience in private equity and real estate.
FRANK HÖLZLE
(DEPUTY CHAIR)
Appointed until the 2027 AGM
Main activities outside the Company and other activities as a member of governing bodies of comparable domestic and foreign business enterprises:
- CEO of Care4 AG, Basel, Switzerland
- Chair of the Advisory Board of clickworker GmbH, Essen
- Chair of the Advisory Board of Mindlab Solutions GmbH, Stuttgart
- Chair of the Supervisory Board of mobileObjects AG, Büren
- Chair of the Advisory Board of rankingCoach international GmbH, Cologne
- Member of the Board of Directors of SIC Invent AG, Basel, Switzerland
- Member of the Advisory Board of reBuy reCommerce GmbH, Berlin
- Member of the Advisory Board of sevDesk GmbH, Offenburg
- Member of the Board of Directors of GreySky Properties AG, Basel
- Chair of the Supervisory Board of Fair Value REIT-AG, Munich
Frank Hölzle (born 1968) holds a degree in economics and has been the CEO of Care4 AG, a single family office located in Basel, Switzerland, since 2015. He has worked there since 2010. From 2003 until 2010, Mr Hölzle was a member of the Executive Board and partner of eCapital entrepreneurial Partners AG, a venture capital company located in Münster. In 2002, Mr Hölzle became the managing director of HvM-Consulting GmbH in Düsseldorf, after having held positions from 1998 until 2002 in Marl and Frankfurt am Main as an authorised representative and director of a listed investment company.
Ernö Theuer
(Member)
Appointed until the 2027 AGM
Main activities outside the Company and other activities as a member of governing bodies of comparable domestic and foreign business enterprises:
Managing Partner CESPI Group
Managing Director (CRO) SC Finance Four GmbH
- Managing Partner CK Holding GmbH
Ernö Theuer (born 1962) has been managing partner of CRESPI Group in Frankfurt am Main, which specialises in acquiring, holding and managing investments, since 2006. He has also been Managing Partner of CK Holding GmbH since 2021 and Managing Director of SC Finance Four GmbH since the beginning of 2024. After working as assistant to the board and sales manager in the consumer goods industry, Mr Theuer held various management positions, including T&P Management Consultants AG, PE Verlag für Wirtschaftsinformationen GmbH and HEGRA GmbH & Co. KG. Ernö Theuer is Senior Advisor at a German listed private equity company and accredited as a start-up and financing consultant at two globally recognised credit institutions for reconstruction and the World Bank.