Studied at TUDelft, partner at OMA-Rotterdam until 1989, founded KCAP in 1989, co-founded ASTOC in 1991. He retired as partner in 2021, since works on his own. He taught at TUDelft and Berlage Institute, became prof of Urban Design at TUBerlin in 1996 and at ETH Zürich in 2003, where he co-led the Future Cities Laboratory in Singapore. He retired in 2018 and now is honorary professor at TUMunich and visiting professor at CVUT Prague. Urban design projects include GWL-quarter in Amsterdam, Wijnhaven quarter in Rotterdam, HafenCity in Hamburg, Olympic Legacy in London and Europaallee in Zürich. Architecture projects include IJplein O3 Amsterdam, K25 the Hague, Holzhafen Hamburg, Red Apple Rotterdam, Watertower Hamburg. Books include Situation-KCAP, Open City, the Noise Landscape, City as Loft, the Grand Projèt, the Potatoe Plan Collection and Textbook Kees Christiaanse. He is president of Swiss Network with Ukraine, which initiates, implements (re-) construction projects in Ukraine.
