Professor of Economic History at University of Pennsylvania

Senior Fellow, Drucker School of Management at Claremont Graduate University at Claremont McKenna College

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

Research Fellow at American University in New York City /NY

Professor of History, Cal State Long Beach in Los Angeles, CA

Chair in Political Science at the City College of New York in New York, NY

Director of Russia and Eurasia Program at Carnegie Endowment for International Peace

Political Science & International Relations Lecturer at University of New Haven

Associate Professor, National Security Department at University of New Haven

Professor of International Affairs, National Security Department at University of New Haven

Associate Research Professor, Institute for Policy Research at Northwestern University

Associate Professor of History at University of New Haven

Computational Social Scientist at Pew Research Center

CEO of Ruby Media Group | Social Media Expert in New York, NY

Computational Social Scientist at Pew Research Center

Senior Computational Social Scientist at Pew Research Center

Research Associate at Pew Research Center

Professor of Sociology at Duke University

Associate Professor of Political Science at Washington University in St. Louis