University of Pennsylvania Law School

Practice Professor of Law, Emeritus at University of Pennsylvania Law School

Research & Teaching Associate at Cornell University

IMS

Owner, Advantage Coaching & Training, Inc. at IMS

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Adjunct Professor at -

Woodrow Wilson School of Public and International Affairs

Professor of Politics, Emeritus at Woodrow Wilson School of Public and International Affairs

School of Hotel Administration

Assistant Professor at School of Hotel Administration

Carlson School of Management

Assistant Professor at Carlson School of Management

Woodrow Wilson School of Public and International Affairs

Professor of Politics and International Affairs at Woodrow Wilson School of Public and International Affairs

McCourt School of Public Policy

Associate Professor at McCourt School of Public Policy

Booth School of Business

Associate Professor of Finance and Fama Faculty Fellow at Booth School of Business