Brookings Institution

Nonresident Fellow - Economic Studies, USC-Brookings Schaeffer Initiative for Health Policy at Brookings Institution

Executive School of Management, Technology and Law

University of Pennsylvania Law School

Dean and Bernard G. Segal Professor of Law at University of Pennsylvania Law School

Harvard Business School

Senior Fellow at Harvard Business School

Cox School of Business

Adjunct Professor at Cox School of Business

Assistant Professor at Southwestern University of Finance and Economics

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Visiting Professor at University of Economics, Prague/Senior Lecturer at Technological University Dublin at -

Imperial College London

Professor of Sedimentary Geology at Imperial College London

Brookings Institution

University of Pennsylvania Law School

Visiting Fellow - Foreign Policy, Center for 21st Century Security and Intelligence at Brookings Institution

Professor of Law at University of Pennsylvania Law School

Boston University

PROFESSOR OF THE PRACTICE, MARKETS, PUBLIC POLICY, AND LAW at Boston University