Our Contributors

Jim O’Neill, a former chairman of Goldman Sachs Asset Management and a former UK treasury minister, is a member of the Pan-European Commission on Health and Sustainable Development.

José Antonio Ocampo, a former United Nations under-secretary-general and a former minister of finance and public credit of Colombia, is a professor at Columbia University, a member of the UN Committee for Development Policy, and a member of the Independent Commission for the Reform of International Corporate Taxation. He is the author of Resetting the International Monetary (Non)System (Oxford University Press, 2017) and co-author (with Luis Bértola) of The Economic Development of Latin America since Independence (Oxford University Press, 2012). 

Ngozi Okonjo-Iweala, Director-General of the World Trade Organization, is a former finance minister and foreign affairs minister of Nigeria and board chair of Gavi, the Vaccine Alliance. She is a distinguished visiting fellow at the Brookings Institution, a Global Public Leader at Harvard University’s John F. Kennedy School of Government, and a co-chair of the Global Commission on the Economics of Water.

Ike Okonta, an Abuja-based policy analyst and writer, is currently a fellow of the Open Society Institute, New York.

Djoomart Otorbaev, a former prime minister of Kyrgyzstan, is the author of Central Asia’s Economic Rebirth in the Shadow of the New Great Game (Routledge, 2023).

Mitchell A. Orenstein, Professor of Russian and East European Studies and Political Science at the University of Pennsylvania, is a senior fellow at the Foreign Policy Research Institute and author of The Lands in Between: Russia vs. the West and the New Politics of Hybrid War (Oxford University Press, 2019.

Isabel Ortiz, Director of the Global Social Justice Program at the Initiative for Policy Dialogue at Columbia University, is a former director of the International Labor Organization and UNICEF, and a former senior official at the United Nations and the Asian Development Bank.

Tarek Osman is the author of Islamism: What It Means for the Middle East and the World (Yale University Press, 2016) and Egypt on the Brink (Yale University Press, 2010).

Vartan Oskanian, a member of Armenia’s National Assembly and a former foreign minister (1998-2008), is the founder of the Yerevan-based Civilitas Foundation.

Olusegun Obasanjo, a former president of Nigeria (1976-79, 1999-2007), is a commissioner of the Global Commission on Drug Policy.

John O’ Brennan is Director of European Studies and a lecturer in European Politics at the National University of Ireland Maynooth (NUIM).

Fania Oz-Salzberger is Professor at Haifa and Monash Universities and the 2009/10 Laurance S. Rockefeller Visiting Professor for Distinguished Teaching at Princeton University's Center for Human Values.

Arkebe Oqubay, a senior minister and Special Adviser to the Prime Minister of Ethiopia, is a distinguished fellow at the Overseas Development Institute and the author, most recently, of African Economic Development: Evidence, Theory, Policy (Oxford University Press, 2020) and The Oxford Handbook of Industrial Hubs and Economic Development (Oxford University Press, 2020).

Tim O’Reilly, Founder and CEO of O’Reilly Media, Inc., is a visiting professor at University College London Institute for Innovation and Public Purpose and the author of WTF? What’s the Future and Why It’s Up to Us (Harper Business, 2017).

Michael O’Sullivan is Chief Investment Officer in the International Wealth Management Division at Credit Suisse.