Joost van der Sluis

Bolster Investment Partners BV (Bolster Investment Partners) is an independent private equity firm. The firm was founded by Mark van Rijn, Joost Bakhuizen, Michiel van Wissen and Paul Vogelzang in 1982. The firm is headquartered in Amsterdam, the Netherlands.

Van Lanschot Kempen NV (Broker) (Van Lanschot Kempen-Broker) is the broker-dealer division of Van Lanschot Kempen NV (AMS: VLK), a financial institution headquartered in Amsterdam, Netherlands. The firm was founded in 1903 and formerly known as Kempen & Co. NV. Van Lanschot Kempen-Broker provides securities broking to institutional investors, companies, financial institutions, (semi) public institutions, foundations and high net-worth individual clients.