Mark is an architect and academic. His current research focuses on architecture as a marker of lost economic processes. Mark received his PhD and MA from Princeton University. His graduate research considered hypochondria and aestheticism in early-twentieth century architectural culture. Since 2005 he has taught at the Architectural Association and is a Visiting Professor of Architecture at Southeast University, Nanjing. He has previously taught at Cambridge University, the Cooper Union, Princeton University and the University of Auckland University and is an editor of the Journal of Architecture (RIBA / Routledge) and former managing editor of Grey Room (MIT Press).