Management Board

  • Refael Zamir

    Chief Executive Officer

    Mr. Refael Zamir, is GCP’s Chief Executive Officer (CEO) since 2020 (and Daily Manager (administrateur-délégué)).


    Mr. Zamir has been working for the Group since 2013. He served as Chief Financial Officer from 2014 to 2023 and as Chairman of the Board from 2017- 2020. Mr. Zamir has more than 15 years of international professional experience in management, capital markets, Finance, M&A, and corporate matters. As part of his CEO position, he leads the global operations of €10 billion of real estate assets value. located mainly in Germany and London. Prior joining GCP, he worked for several years as an external auditor in the real-estate, construction, and financial sectors at BDO and Ernst & Young. Mr. Zamir is Certified Public Accountants in Israel since 2009 and holds a BA and MBA in Finance and business administration.

  • Idan Hadad

    Chief Financial Officer

    Mr Idan Hadad, is GCP`s Chief Financial Officer (CFO) as of January 2023 (and also Daily Manager (administrateur-délégué) of the Company).


    Mr. Hadad joined the group in 2015 as the corporate controller and led the group’s accounting and financial reporting department. Mr. Hadad brings with him a decade of experience in the field of financial management, including accounting and taxes, compliance and risk management, cash and budget management, payments control and collection. Before joining the group, Mr. Hadad served as a senior auditor at Deloitte. Mr. Hadad is a Certified Public Accountant in Israel and holds a BA in business administration and accounting from the Hebrew University of Jerusalem.

Board of Directors

  • Christian Windfuhr

    Director, Chairman

    Before joining Grand City Mr. Windfuhr served as CEO of Maritim Hotels with 40 hotels inside and outside Germany. Prior to this he served as CEO of Mövenpick hotels, where he achieved the financial turnaround of the company, drove international expansion, publicly listed the company, and worked out a strategic partnership with Kingdom Holding (HRH Prince Alwaleed) and JP Morgan. He also served as Director of TUI, Europe’s largest tour operator. He served in high positions in Holiday Inn, Kempinski, and Southern Sun. Mr. Windfuhr graduated at Cornell University, USA.

  • Simone Runge-Brandner

    Independent Director

    Mrs. Runge is an Independent Director and member of the audit committee. Her past positions include Deal Manager (Director) at UBS Deutschland AG, Vice President Real Estate Finance / Investment Funds, Credit Manager at Dekabank Frankfurt and Credit Manager Real Estate Finance at Helaba Frankfurt. Mrs Runge-Brandner has a diploma in International Business Administration.

  • Markus Leininger

    Independent Director

    Mr. Leininger is an Independent Director. Before joining Grand City Properties, he was a senior banker with a focus on financing, private equity and real estate. He served as head of operations with Eurohypo AG (Hypothekenbank Frankfurt) and Rheinhyp AG (Commerzbank) and is a member of the advisory board and investment committee of Revetas Capital Advisors. He holds a diploma in Business Administration.

Advisory Board

The Board of Directors established an Advisory Board to provide expert advice and assistance to the Board of Directors. The Board of Directors decides on the composition, tasks, and term of the Advisory Board as well as the appointment and dismissal of its members. The Advisory Board has no statutory powers under Luxembourg law or the articles of incorporation of the Company but applies rules adopted by the Board of Directors. The Advisory Board is an important source of guidance for the Board of Directors when making strategic decisions.


  • Yakir Gabay


    Mr. Yakir Gabay is the chairman of the Advisory Board. Before GCP, Mr. Gabay was chairman & managing partner of an investment company, which managed over $30 billion of assets, and before that he was the CEO of the investment banking of Bank Leumi. Mr. Gabay holds a MBA and BA in Accounting / Economics and is a CPA.

  • Dr. Johannes Beermann


    Prof. Dr Johannes Beermann was a Board Member of the Deutsche Bundesbank and is currently an honorary professor for public finance and public affairs at the University of Applied Sciences of Mittweida (Germany).

    Prior to that, Prof. Dr Johannes Beermann had a long and distinguished political career, including Staatsminister in Saxony as well as State Secretary in the Hessian State Chancellery, among others. Prior to his appointment as Staatsminister in Saxony he practised as a lawyer. Prof. Dr Johannes Beermann studied law at Ludwig Maximilian University in Munich and earned his doctorate in tax law from the University of Münster.

  • Claudio Jarczyk


    Prior to GCP, Mr. Jarczyk served as an Executive Director at Berlin Hyp Bank specializing in real estate financing with focus on international clients, as a Chief International Executive at Landesbank Berlin and as an International Division-Department Manager at Bayrische Vereinsbank Munich. Mr. Jarczyk holds a Dipl.Kfm. / MBA at Munich University.

  • David Maimon


    Mr. David Maimon was the President and CEO of EL AL Airlines. Prior to that, Mr. Maimon was EVP of Customer Service, Commerce & Industry Affairs Sales & Marketing in EL AL Airlines and also served as a Director in various commercial companies such as Leumi Gemel Ltd, Hever and Sun D'Or International Airlines. Mr. Maimon holds an MBA.