“The Enclosure of Contemporary Art,” keynote address, New Institutions: 5th Annual UC San Diego Visual Art Graduate Student Conference, UCSD, 2012; Townshend Working Group in Contemporary Art, UC Berkeley, 2012; Special Series in Modern and Contemporary Art, University of Illinois, Chicago, 2012; and for the Graduate Group in Religion at UC Davis, 2012.

“The Burden and the Promise of Photographic Form,” keynote address, Coloquio Internacional de la Bienal de Fotografía de Lima, Lima, Peru, 2012

“Photography and Transubstantiation,” keynote address, International Workshop: Viewing and Reading the Photographs of The Family of Man, Durham Centre for Advanced Photographic Studies, Durham University, 2011

“Workerism, Darkness, and Light,” Dark Matter of the Art World (in conjunction with the publication of Gregory Sholette’s Dark Matter [Pluto Press, 2011]), CAA annual conference, New York, 2011

“The Interior of Art,” keynote address, Traffic: Conceptual Art in Canada, University of Toronto, 2010; and Centre for Art and Design Research and Experimentation at the University of Wolverhampton, Wolverhamption, England, 2010.

“Methodological Hospitality,” keynote address, Transmission: Hospitality, launch conference for Transmission Annual, Sheffield Hallam University, Sheffield UK, 2010; Photography and Philosophy, conference organized by Blake Stimson and Gerhard Richter, UC Davis, 2010