Curator and researcher, Harum worked as a curatorial assistant on the 27th Bienal de São Paulo (2006) and executive producer of the 1st Biennial of the End of the World in Ushuaia, Argentina (2007). He was part of the curatorial committee on the Rumos Artes Visuais Program 2008/2009, run by Itaú Cultural. As a holder of the Deutsche Börse scholarship in Germany in 2007, he was curator-in-residence at the Frankfurter Kunstverein art center in Frankfurt.