Alan Treffeisen is a Senior Budget and Policy Analyst handling transportation and infrastructure issues. Prior to working at IBO, Mr. Treffeisen was an Assistant Professor of Economics at the Universitat Pompeu Fabra in Barcelona, Spain. In addition to his teaching duties, he conducted research on the suburbanization of the Barcelona region. Mr. Treffeisen has also taught economics in the City University of New York system. His doctoral dissertation was on land and housing markets in Bogota, Colombia. A preliminary version of his dissertation research was published in Regional Science and Urban Economics (1991). Ph.D. (Agricultural and Resource Economics), 1992; MCP and MS, 1989, University of California, Berkeley; B.A. (History and Economics), 1977, North Carolina State University.

Preston Niblack is a Senior Budget and Policy Analyst covering housing and intergovernmental grant issues. Before joining IBO, Mr. Niblack was senior associate for economic policy at the Academy of Leadership's National Issues Project at the University of Maryland. Previously he was a senior analyst in the Tax and Economic Policy office of the District of Columbia's Office of Tax and Revenue. For 10 years he served as an analyst with the RAND Corporation in Santa Monica, CA and Washington, DC. He has taught graduate level courses in public finance at the University of Maryland's School of Public Affairs. Ph.D. University of Maryland School of Public Affairs; B.A. (Political Science) Middlebury College.