Prior to coming to Yale, he was an Assistant Professor at the University of Lugano, Switzerland. He received his PhD in Organizational Behavior and MA in Sociology from Stanford University. He studies various topics in organization theory and sociology, including social networks, learning, diffusion, innovation, identity, culture, and status. He has published in leading management and sociology journals such as Administrative Science Quarterly, American Sociological Review, Management Science, Organization Science, and Social Networks. His research has been covered in major media outlets such as the Guardian and the New York Times.