 In 2015 he became the museum's director.Since 1994 he lectures on art history and cultural sciences at Bremen University.As artistic director of the Kunstverein Ruhr he curated a great number of one-person exhibitions, among others with Werner Ruhnau, Gary Hill, VA Wölfl, Christian Boltanski, Lawrence Weiner, Terry Fox, Timm Ulrichs, Gerhard Richter, Anna und Bernhard Blume, and Tony Cragg.