 Kolk’s work has been shown internationally at galleries and museums including the Helsinki City Art Museum in Finland, Kasseler Kunstverein, Museum Frieder Burda and Kunsthalle Mannheim in Germany, Kunsthalle St. Gallen, the Saatchi Gallery  and Royal Academy in London.His work features in several prominent collections including The Falckenberg Collection and the Saatchi Gallery.He is represented by Arndt & Partner in Berlin and Zurich.