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

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

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

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

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

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

Professor at University of Southern California in Los Angeles, CA

Senior Fellow & Director, MPI office at NYU School of Law at Migration Policy Institute

President Emerita at The National Association of Immigration Judges in San Francisco, CA

Director of Immigration Law and Policy Research at Economic Policy Institute

Ambassador at American Immigration Council

Professor of History at Middlebury College

Professor of Political Science at USC Dornsife College

Assistant Professor of American Studies and Ethnicity at USC Dornsife College