Board of Directors and its Committees

  • Marnix GALLE *

    Executive Chairman of the Board of Directors,
    Chief Executive Officer,
    Chairman of the Nomination Committee,
    Chairman of the Executive Committee,
    Chairman of the Investment Committee.

    After studying economics at Tulane University in New Orleans, Louisiana, USA, Marnix began his professional career in 1987 at Cegos Belgium as a consultant. In 1989, he took his first steps in the real estate sector (family portfolio). His own company Allfin (°2001) became one of the leading real estate developers in Belgium. In 2014, Allfin took a 29% stake in Immobel, listed on Euronext since 1863. Following the merger between Allfin and Immobel in 2016, he became its Executive Chairman. Since 1 July 2020, Marnix has been chairing Urban Land Institute (ULI) Europe. He is a director, member and trustee of several leading European and American associations.

    * Mandate executed by the company A³ Management bv, represented by Mr Marnix GALLE.

  • Astrid DE LATHAUWER *

    Member of the Board of Directors,
    Chairman of the Remuneration Committee,
    Member of the Nomination Committee.

    After studying art history in Ghent and international political and diplomatic sciences at KU Leuven, Mrs De Lathauwer began her career at Monsanto, first in the Marketing Department, then as HR Manager for Eastern Europe. She then joined AT&T, where she held various positions in Europe and the United States for eight years. In 2000, she returned to Belgium and began her career at Belgacom, where she became Executive Vice-President Human Resources for the Group in 2003. From January 2012 to September 2014, she worked at Acerta as General Manager of the Acerta Consult branch. She has been Group HR Director at Ontex since October 2014. She has also been an Independent Director at Colruyt Group since September 2011.

    * Mandate executed by ADL Comm.V, represented by Mrs Astrid DE LATHAUWER.

  • Wolfgang de LIMBURG STIRUM *

    Member of the Board of Directors,
    Member of the Audit & Risk Committe.

    Mr De Limburg Stirum obtained an MBA from the University of Chicago, Booth School of Business (USA), a Bachelor’s degree in Commercial Engineering and a Master’s degree in Applied Economics and Business Administration from the Louvain School of Management. During his 20 years of experience in finance and private equity in Europe and the US, he has invested in numerous sectors, including healthcare, speciality chemicals, niche industries, services, leisure and media. Since 2005, he has been a Managing Partner of Ergon Capital Partners, a mid-market private equity investment company with approximately EUR 1.0 billion under management. Prior to this, he had spent most of his career in investment banking (mergers and acquisitions) at Lehman Brothers in New York and London, where he became co-head of the European M&A Healthcare team. He is currently also Director of Keesing Media Group, Sausalitos, Opseo, Looping Group, SVT and VPK Packaging Group.

    * Mandate executed by LSIM sa, represented by Mr Wolfgang de LIMBURG.


    Member of the Board of Directors,
    Member of the Audit & Risk Committee,
    Member of the Investment Committee.

    Mrs Koks – Van der Sluijs holds a Bachelor’s degree in Commercial Economics from the Hoge School voor Economische Studies in Rotterdam, a Master’s degree in Business Economics from Erasmus University in Rotterdam and is a Chartered Financial Analyst. She brings over 27 years of experience, having served in numerous leadership roles across the real estate space. She most recently managed her own international real estate and management consultancy business, wherein she served on various supervisory boards for both listed and private equity real estate companies. She currently holds the position of Managing Director, Portfolio Management in Europe with Greystar. Apart from her directorship for Immobel, she is a supervisory board member with NSI, a listed company in the office sector in the Netherlands.

  • Pierre NOTHOMB *

    Member of the Board of Directors,
    Member of the Remuneration Committee,
    Chairman of the Audit & Risk Committee.

    Holder of a degree in Applied Economic Sciences (UCL Louvain-la-Neuve), Mr Nothomb joined Deminor more than 25 years ago when it was founded, and has several mandates as a Director of companies or associations (including ForSettlement (Fortis), Modulart, Imperbel, DBAssociates, Cercle de Lorraine, Domaine du Pont d’Oye) and various companies in the Deminor group. He is a member of the audit committee of Sabam, Imperbel and the network of psychiatric care Epsylon (La Ramée - Fond’Roy). Before joining Deminor in 1991, he worked as a senior auditor at Coopers & Lybrand (now PricewaterhouseCoopers), and subsequently as a financial consultant at Petercam Securities.

    * Mandate executed by Pierre Nothomb srl, represented by Mr Pierre NOTHOMB.

  • Michèle SIOEN *

    Member of the Board of Directors,
    Member of the Audit & Risk Committee.

    Holder of a Master’s degree in Economics and completed management programmes at Vlerick Business School, among others. Mrs Sioen is the CEO of Sioen Industries, a listed Belgian group specialising in the production of technical textiles and professional protective clothing. She was Chairman of the FEB between 2015 and 2017 and is now Honorary Chairman. In addition to her daily involvement with Sioen Industries, she is also a director of various Belgian listed companies, including D’Ieteren and Sofina, as well as associations such as Fedustria and Guberna. Finally, she is closely involved in Art and Culture through her chairmanship of KANAL and as a member of the Board of Directors of the Queen Elisabeth Music Chapel.

    * Mandate executed by M.J.S. Consulting bv, represented by Mrs Michèle SIOEN.


    Member of the Board of Directors,
    Member of the Remuneration Committee,
    Member of the Nomination Committee.

    Mrs Van Overstraeten is the holder of a degree in Economic Sciences (KUL - 1987) and a Master’s degree in Management (IAG-UCL - 1992). She began her career at Philips in 1987 as a project manager in the HR department. Between 1991 and 1999, she worked in the retail sector, in particular in the textile sector (New-D, Mayerline). She then worked as Commercial & Marketing Director at Confiserie Leonidas (1999-2004). From 2010 until 2020, she occupied the position of Chief Executive Officer and Director of Lunch Garden Group. In 2020, she was appointed CEO at Le Pain Quotidien. She is an independent Director of QSR Belgium NV/SA and an independent board member of Euro Shoe Group NV.

    * Mandate executed by the civil company A.V.O.-Management srl, represented by Mrs Annick VAN OVERSTRAETEN.

  • Alexis PREVOT *

    Chief Investment Officer,
    Member of the Executive Committee,
    Member of the Investment Committee.

    After studying Urban Engineering at the École des Ingénieurs de la Ville de Paris (EIVP), Alexis began his career as a commercial engineer in the Bouygues group, where he specialised in Design Build, Finance and Operate (DBFO) regulations. In 2000, he started working as a senior consultant in the Real Estate and Capital Project Management Practice at PriceWaterhouseCoopers. With his MBA from the London Business School in 2006, Alexis joined the M&A Real Estate team of Lehman Brothers in London and Frankfurt, which focused on large European real estate companies through Investment Banking and Capital Markets. Prior to joining Immobel in 2019, Alexis was senior portfolio manager in the European investment team of Abu Dhabi Investment Authority’s Real Estate and Infrastructure department.

    * Mandate executed by the company AP2L srl, represented by Mr Alexis PREVOT.

  • Thierry VANDEN HENDE

    Member of the Investment Committee.

    After obtaining a Master’s degree in Commercial Engineering and Applied Economics at the KU Leuven in 1998, Mr Vanden Hende studied at Cornell University’s Johnson School of Management for a year, where he earned an MBA. He was subsequently recruited as an analyst by Morgan Stanley Investment Management. He joined their real estate fund in 2005 and became its Managing Director in 2013. In 2017, he left Morgan Stanley and joined MallTech, a company in which Goldman Sachs Special Situations Group has a majority stake and where he holds the position of CIO.


    Member of the Investment Committee.

    After technical studies and a law degree (1973, magna cum laude, KUL) Mr Vercruysse was registered at the Bar in Brussels. He was also an assistant at the KU Leuven from 1976 to 1979. He co-founded the law firm Vercruysse & Kadaner. He became an honorary lawyer in 2003 and was a Director of ALLFIN and ALLFIN Group between 2004 and 2010. He is a director of four unlisted holding companies.