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Teacher Assistant, Basic Statistics for Research at -

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Lecturer at University of Europe for Applied Sciences at -

Swiss Finance Institute

Assistant Professor, University of Lausanne/ SFI Faculty Member at Swiss Finance Institute

Professor, Department of Management at The Hong Kong University of Science and Technology

University of Cape Town

Professor at University of Cape Town

Said Business School

Harvard Business School

Emeritus Professor of Finance at Said Business School

Assistant Professor at University of North Carolina at Chapel Hill

Columbia Business School

Assistant Professor of Business at Columbia Business School

Brookings Institution

Nonresident Senior Fellow - Metropolitan Policy Program at Brookings Institution

Brookings Institution

Visiting Fellow - Foreign Policy, Center on the United States and Europe at Brookings Institution