Andrew J. Coulson is the director of Cato's Center for Educational Freedom. He is author of Market Education: The Unknown History , the only book to address contemporary education policy questions by drawing on case studies from across the entire span of recorded human history. He has also contributed to books published by the Fraser Institute and the Hoover Institution. Coulson has written for academic journals, including the Journal of Research in the Teaching of English, Journal of School Choice , and the Education Policy Analysis Archives and for newspapers such as the Wall Street Journal, Washington Post , and the Globe and Mail . He has appeared on national television and radio, and currently serves on the Advisory Council of the E.G. West Centre for Market Solutions in Education at the University of Newcastle, UK. Coulson was previously the Senior Fellow in Education Policy at the Mackinac Center for Public Policy. Prior to entering the field of education a decade ago, he was a systems software engineer with Microsoft Corp.