Skip to main content

Our Contributors

5718 Contributors, 81 Regular Contributors

  1. A
  2. B
  3. C
  4. D
  5. E
  6. F
  7. G
  8. H
  9. I
  10. J
  11. K
  12. L
  13. M
  14. N
  15. O
  16. P
  17. Q
  18. R
  19. S
  20. T
  21. U
  22. V
  23. W
  24. X
  25. Y
  26. Z
  1. Jim O'Neill

    Jim O'Neill

    Writing for PS since 2008
    132 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
    60 Commentaries

    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). 

  3. Ngozi Okonjo-Iweala

    Ngozi Okonjo-Iweala

    Writing for PS since 2010
    32 Commentaries

    Ngozi Okonjo-Iweala is Director-General of the World Trade Organization.

  4. Djoomart Otorbaev

    Djoomart Otorbaev

    Writing for PS since 2020
    15 Commentaries

    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).

  5. 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.

  6. 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.

  7. Isabel Ortiz

    Isabel Ortiz

    Writing for PS since 2008
    7 Commentaries

    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.

  8. Maurice Obstfeld

    Maurice Obstfeld

    Writing for PS since 2017
    7 Commentaries

    Maurice Obstfeld, a former chief economist of the International Monetary Fund, is Senior Fellow at the Peterson Institute for International Economics and Professor of Economics Emeritus at the University of California, Berkeley.

  9. Tarek Osman

    Tarek Osman

    Writing for PS since 2013
    6 Commentaries

    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).

  10. 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.

  11. Olusegun Obasanjo

    Olusegun Obasanjo

    Writing for PS since 2012
    6 Commentaries

    Olusegun Obasanjo, a former president of Nigeria (1976-79, 1999-2007), is Chair of the West Africa Commission on Drugs.

  12. 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).

  13. 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.

  14. 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).

  15. Tim O'Reilly

    Tim O'Reilly

    Writing for PS since 2021
    5 Commentaries

    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).

  1. jlin1_Song WeixingVCG via Getty Images_solar panels china Song Weixing/VCG via Getty Images

    Unleashing Solar Power’s Bright Future

    Fatih Birol & Ajay Mathur see the rapid growth of solar power as a promising sign of what is possible in the fight against climate change.
  2. GettyImages-2166683180

    Anders Åslund on the Trump threat, Ukrainian security, Putin's survival, and more

    Anders Åslund considers what the US presidential election will mean for Ukraine, says that only a humiliating loss in the war could threaten Vladimir Putin’s position, urges the EU to take additional steps to ensure a rapid and successful Ukrainian accession, and more.
  3. haldar39_Atila AltuntasAnadolu via Getty Images_nobel prize Atila Altuntas/Anadolu via Getty Images

    Why Do Countries Prosper?

    Antara Haldar considers what this year’s Nobel Prize-winning economic research gets right, and what it overlooks.
  4. buchholz20_Mario TamaGetty Images_us manufacturing Mario Tama/Getty Images

    Made in America 2.0

    Todd G. Buchholz & Michael Mindlin foresee the US weathering the coming trade storm, thanks to its energy resources and innovation centers.
  5. mueller55_Maja HitijGetty Images_bsw Maja Hitij/Getty Images

    When the Left Goes Far Right

    Jan-Werner Mueller considers what drives some politicians to reverse their political allegiances.
  6. meng2_KalawinGetty Images_climatefinance Kalawin/Getty Images

    The Right Climate Finance for Developing Economies

    Hippolyte Fofack urges the Global North to focus on vulnerable countries’ need to invest in adaptation-related infrastructure.
  7. constantin2_Paul RatjeThe Washington Post via Getty Images_abortion pills Paul Ratje/The Washington Post via Getty Images

    Self-Managed Abortion Saves Lives

    Andrés Constantin & Katherine Mayall urge policymakers to remove the barriers preventing women from terminating unwanted pregnancies on their own.
  8. johnson180_JIM WATSONAFP via Getty Images_kamala harris JIM WATSON/AFP via Getty Images

    Only Harris Will Deliver Shared Prosperity

    Simon Johnson says that Donald Trump’s discredited protectionism would benefit the few at the expense of the many.
  9. roubini191_JOHN WESSELSAFP via Getty Images_israelmissiles John Wessels/AFP via Getty Images

    Israel and Iran Are Likely to Escalate

    Nouriel Roubini rejects the widespread view that the conflict will be contained after the latest exchange of attacks.

Edit Newsletter Preferences

Set up Notification

To receive email updates regarding this {entity_type}, please enter your email below.

If you are not already registered, this will create a PS account for you. You should receive an activation email shortly.