Glenn Ellison is the Gregory K. Palm Professor of Economics at MIT. He is an elected fellow of Econometric Society and the American Academy of Arts and Sciences. He formerly served as the Economics Department Head at MIT and as the Editor at Econometrica and as a Coeditor of the Rand Journal of Economics. His two primary specialties are game theory and industrial organization. In game theory, he is best known for his work examining how the development of social norms in games is affected by the structure of social networks. In industrial organization he has recently done theoretical and empirical projects on a number of Internet industries. This includes work on competing auction sites, e-retail, price search, and Google-style advertising auctions. He has also worked on a wide variety of other topics: agency problems in the mutual fund industry, the geographic concentration of industry, the structure of academic publishing, and economics of education.