David Stark is Arthur Lehman Professor of Sociology at Columbia University where he directs the Center on Organizational Innovation. He is also Professor of Social Science at the University of Warwick and is currently a Fellow at the Wissenschaftskolleg (Institute for Advanced Study) in Berlin. His book, The Sense of Dissonance: Accounts of Worth in Economic Life, studies how organizations and their members search for what’s valuable. Stark’s current research is supported by a five-year Advanced Grant from the European Research Council for a project on “Diversity and Performance: Networks of Cognition in Markets and Teams.