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  1. Jim O'Neill

    Jim O'Neill

    Writing for PS since 2008
    108 Commentaries

    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.

  2. José Antonio Ocampo

    José Antonio Ocampo

    Writing for PS since 2006
    51 Commentaries

    José Antonio Ocampo, a former finance minister of Colombia and United Nations under-secretary-general, is a professor at Columbia University, Chair of the UN Committee for Development Policy, and Chair 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). 

  3. Ngozi Okonjo-Iweala

    Ngozi Okonjo-Iweala

    Writing for PS since 2010
    21 Commentaries

    Ngozi Okonjo-Iweala, Director-General of the World Trade Organization, is a former managing director at the World Bank, finance minister of Nigeria, board chair of Gavi, the Vaccine Alliance, and African Union special envoy on COVID-19. She is a distinguished fellow at the Brookings Institution and a Global Public Leader at Harvard University's John F. Kennedy School of Government.

  4. Ike Okonta

    Ike Okonta

    Writing for PS since 2002
    15 Commentaries

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

  5. Mitchell A. Orenstein

    Mitchell A. Orenstein

    Writing for PS since 2008
    12 Commentaries

    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.

  6. Djoomart Otorbaev

    Djoomart Otorbaev

    Writing for PS since 2020
    10 Commentaries

    Djoomart Otorbaev was prime minister of Kyrgyzstan in 2014-15.

  7. Vartan Oskanian

    Vartan Oskanian

    Writing for PS since 2008
    6 Commentaries

    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.

  8. Isabel Ortiz

    Isabel Ortiz

    Writing for PS since 2008
    6 Commentaries

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

  9. Olusegun Obasanjo

    Olusegun Obasanjo

    Writing for PS since 2012
    6 Commentaries

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

  10. John O'Brennan

    John O'Brennan

    Writing for PS since 2008
    6 Commentaries

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

  11. Fania Oz-Salzberger

    Fania Oz-Salzberger

    Writing for PS since 2008
    5 Commentaries

    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.

  12. Tarek Osman

    Tarek Osman

    Writing for PS since 2013
    5 Commentaries

  13. Arkebe Oqubay

    Arkebe Oqubay

    Writing for PS since 2020
    5 Commentaries

    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).

  14. Michael O’Sullivan

    Michael O’Sullivan

    Writing for PS since 2013
    4 Commentaries

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

  15. Kenichi Ohmae

    Kenichi Ohmae

    Writing for PS since 2002
    4 Commentaries

    One of the world's leading business strategists. He is President of Ohmae & Associates and has advised many of Japan's governments.

  1. roubini165_Spencer PlattGetty Images_NYSE Spencer Platt/Getty Images

    A Stagflationary Debt Crisis Looms

    Nouriel Roubini

    There is ample reason to worry that major economies like the United States are heading for a recession, accompanied by cascading financial turmoil. Some of the worst elements of both the 1970s and the 2008 crash are now in play, with equity markets likely to move deeper into bear territory.

    says six factors will determine how bad the next downturn will be for the real economy and equity markets.
  2. woods45_David McNewGetty Images_roe v wade war on women David McNew/Getty Images

    The US Front in the Global War on Women

    Ngaire Woods

    There is evidence from around the world that the liberty of women is under attack, including in proud democracies. Against this backdrop, the US Supreme Court’s elimination of the federal right to abortion is a particularly egregious offense against women.

    notes that the Supreme Court’s elimination of the federal right to abortion accompanies rising gender violence.

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