Mariette Dölle has been artistic director of TENT since 2006. She has organized solo exhibitions by Katarina Zdjelar, Wendelien van Oldenborgh and Lara Almarcegui, among others, and curated group exhibitions including To All Tomorrows Parties, Redefine the Enemy, and Paramaribo Perspectives. She was a member of the jury for the Dolf Henkes Award 2009 (winner Melvin Moti), a scout for the Volkskrant Beeldende Kunstprijs 2011, and a member of the International Projects committee for the Mondriaan Foundation.
Until 2005 she was responsible for Beyond; a long term public art project for a new neighborhood for 80,000 residents to the west of Utrecht. She has supervised the building of a museum pavilion designed by Stanley Brouwn, an artist-in-residence pavilion by Bik Van der Pol and an archaeological centre designed by Dominique Gonzalez-Foerster. Prior to this she was co-curator of the platform for experimental art Casco, and jointly responsible for projects by Otto Berchem, Matthieu Laurette and Asier Perez Gonzalez, among others.