Jacko has been working in the contemporary art world since 1993, after studying business administration. Until 2018 as director of art lending/gallery Heden in The Hague and then as business manager of Kunstvereniging Diepenheim and Het Noord Brabantsmuseum. He also held various board positions in the art world, including at Huize Frankendael and as chairman at Garage Rotterdam. Jacko is currently closely involved in Unfair Amsterdam as chairman.
Jacko is an art advisor for corporate collections and private collectors and, together with Frits Bergsma, organizes pop-up sales exhibitions under the name Brinkman & Bergsma and the new Art Island art fair.