Mark Siezen was appointed chief executive officer of Bouwinvest Real Estate Investors in 2022.

Mark joined Bouwinvest as chief client officer in 2020. Before joining Bouwinvest, he was executive director and member of the board at CBRE Nederland, and prior to that he held various executive positions at companies including Multi Corporation, NSI and COFRA Holding (including Redevco and C&A). 

Siezen holds an MSc in Technical Earth Sciences from Delft University of Technology and an MSc in Construction Project Management from Reading University. Mark is currently also a member of the Supervisory Board of Noordwest Hospital Group.