Professor in the Civil and Environmental Engineering Dept. at Rutgers University in Piscataway, NJ

Professor Emeritus of Civil and Environmental Engineering at Northwestern University at Northwestern University

Professor at University of Southern California in Los Angeles, CA

Senior International/Defense Researcher; Affiliate Faculty, Pardee RAND Graduate School at RAND Corporation

Professor and Founding Director of the Cornell Program in Infrastructure Policy at Cornell University

Assistant Professor in the Dept. of Civil and Environmental Engineering at UC Berkeley

Associate Professor, Civil Engineering at Widener University in Chester, PA

Political Science Professor at Bournemouth University in London, ENG

Professor of Political Science, Department Deputy Chair at Columbia University

Professor of Political Science, Iowa State University in Ames, IA

Lombard Director of the Shorenstein Center. Edward R. Murrow Professor of the Practice of Press, Politics and Public Policy at Harvard Kennedy School

Professor of Economic History at University of Pennsylvania

Research Fellow at American University in New York City /NY

President at Peterson Institute for International Economics

Professor of Economics & International Affairs, George Washington University in Washington, DC

Chief Economist at the Center on Budget and Policy Priorities in Swarthmore, PA

Chief Economist at State Street Global Advisors in Burlington, MA