People Moves: Sienna Investment Managers appoints Floris Van Maanen as new CEO of Sienna Real Estate


Press Release - Sienna Investment Managers ("Sienna IM"), GBL's alternative investment platform, has appointed Floris Van Maanen as the new CEO of Sienna Real Estate. Floris will lead Sienna Real Estate Group, which has offices in Paris, Hamburg, Frankfurt, London, Madrid, Seoul, Zurich, and Amsterdam. As of the first of January, Floris has taken over the CEO position from founding partner Didier Unglik.

Didier Unglik, Founding Partner of Sienna Real Estate, will leave his duties as Chief Executive Officer and will bring his expertise to a role in Business Development and client relationships. He will report to the Managing Board. 

Floris Van Maanen, CEO Sienna Real Estate, said: "I'm honored and excited to continue the excellent work done by Didier, continuing to work closely together with the local teams in our core geographies. It is a great opportunity to further integrate the Real Estate Business into Sienna Investment Managers and I look forward to building, together with all my colleagues, a company where people are appreciated, have the opportunity to develop themselves and where we can share our successes as a team." 

Paul de Leusse, CEO, Sienna Investment Managers said: "We are very happy that Floris has agreed to take on the role of CEO of Sienna Real Estate and succeed Didier, with whom he has been working for many years. Floris will continue to develop Sienna Real Estate, already present in eight countries with more than 100 employees. Didier's strong expertise in European real estate will be key to bringing our clients an attractive set of tailored investments in a rapidly evolving market." 

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About Sienna Investment Managers

Sienna IM is the alternative investment platform of the publicly-traded investment holding company GBL ("Groupe Bruxelles Lambert"). With 260 professionals, Sienna is present in Luxembourg, London, Paris, Hamburg, Madrid, Amsterdam, Zurich and Seoul. With extensive experience in asset management, Sienna now invests on behalf of third parties. Sienna oversees over €32.9 billion as of December 2022 on behalf of its shareholder GBL as well as institutional clients, mainly through real estate assets (Sienna Real Estate), private debt (Sienna Private Credit), investments in private and public market funds (Sienna Gestion) as well as through direct equity investments in unlisted companies (Sienna Private Equity and Sienna Venture Capital).

About Sienna Real Estate

Sienna Real Estate is a pan-European investment manager with over 30 years of experience in the European real estate investment and asset management market. Sienna Real Estate positions itself as a long-term strategic partner for local and international investors, advising and accompanying them throughout the entire investment cycle of a property, from the acquisition, administration of the asset or property, to the sale process. As of December 2022, Sienna Real Estate benefits from a dedicated team of +100 employees spread over 8 offices in Europe and Asia and has c. €10.0bn of assets under management


E.A.S.I. Consult LLC