Columbia Institute for Tele-Information

Professor of Economics and Garrett Professor of Public Policy and Business Responsibility, emeritus. Director of the Columbia Institute for Tele-Information, a research center focusing on management and policy issues in telecommunications, internet, and electronic mass media. Served as Public Services Commissioner of New York State. Appointed by the White House to the President’s IT Advisory Committee. Also taught at Columbia Law School, Princeton University’s Economics Department and Woodrow Wilson School, and the Swiss universities of St. Gallen and Fribourg.