As an independent promoter, agent & label manager, Koen has been active in his local and European undergrounds for over two decades.
In 2005 he co-founded the independent record label Subroutine Records, which released work of over 50 Dutch acts. His platform Yugofuturism introduces adventurous acts from Central and Eastern Europe, the Balkans to Baltics, to The Netherlands and vice versa. He initiated the first 24hr festival in Paradiso Amsterdam, highlighting the Dutch underground. Currently a lecturer at the University of Groningen, co-programmer for festivals Peel Slowly and See and Vikendica, regular promoter at independent venues WORM Rotterdam and OCCII Amsterdam, and a frequent speaker at European conferences on topics that include grassroots networks, international cooperation, exchange and touring.
Recently, he co-wrote the European project ‘Venues from the Future’, connecting small, independent music venues in seven countries.