From 1998 to 2004, he was President of CIMAM (The International Committee of ICOM for Museums of Modern and Contemporary Art).

In 2010, he delivered the Toshiba Lecture Series, Rethinking Art after the Age of "Enlightenment", at the British Museum in London.

From 2008 to 2010, he was Artistic Director for the 17th Biennale of Sydney, THE BEAUTY OF DISTANCE: Songs of Survival in a Precarious Age, which took place 12 May–1 August 2010.

From 2013 to 2014, he was Artistic Director of the IV Moscow Biennale of Young Art A TIME FOR DREAMS.

Contemporary Art from the Centre of Asia was shown at Calvert 22, London, from September to November 2011.

From 2011 to 2017, he was on the jury of Kulturakademie Tarabya in Istanbul a residence scheme for artists of all kinds initiated by the German government to foster German-Turkish cultural exchange.