Hal Varian is the Dean of the School of Information Management and Systems at the University of California at Berkeley. He is also a Professor in the Haas School of Business, a Professor in the Department of Economics, and holds the Class of 1944 Professorship. He has taught at MIT, Stanford, Oxford, Michigan and other universities around the world. Professor Varian is fellow of the Guggenheim Foundation, the Econometric Society, and the American Academy of Arts and Sciences. He has served as Co-Editor of the American Economic Review and is currently on the editorial boards of several journals. He has published numerous papers in economic theory, industrial organization, financial economics, econometrics and information economics and is the author of two major economics textbooks which have been translated into 9 languages. His recent work has been concerned with the economics of information technology and the information economy.