Harris School of Public Policy

Assistant Professor at Harris School of Public Policy

Syracuse University

Professor Emeritus, Sociology at Syracuse University

Darla Moore School of Business

Associate Professor, at Darla Moore School of Business

The London School of Economics and Political Science

CIMA Professor of Accounting and Financial Management / Head of Department at The London School of Economics and Political Science

Brookings Institution

Director of Research - Foreign Policy, Co-Director, Security and Strategy, Senior Fellow - Foreign Policy, Center for 21st Century Security and Intelligence, The Sydney Stein, Jr. Chair at Brookings Institution

Yale School of Management

Professor in the Practice Emeritus of Finance at Yale School of Management

Tepper School of Business

Assistant Professor of Economics at Tepper School of Business

Harvard Business School

Fuqua School of Business

James B. Duke Professor at Fuqua School of Business

School of International and Public Affairs

Adjunct Assistant Professor of International and Public Affairs; Director, Columbia Center on Sustainable Investment at School of International and Public Affairs

Harvard Medical School

Teaching Associate in Psychiatry at Harvard Medical School