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  1. Yves Daccord, a co-founder of Edgelands Institute and a fellow at Harvard’s Berkman Klein Center for Internet and Society, is a former director general of the International Committee of the Red Cross.

  2. Professor of Economics at Parma University.

  3. Rob Davies is South Africa’s minister of trade and industry.

  4. Damien Demailly is Coordinator of the New Prosperity Programme at IDDRI, Sciences-Po.

  5. Hailemariam Desalegn is a former prime minister of Ethiopia (2012-18).

  6. Roopa Dhatt

    Roopa Dhatt

    1 Commentary

    Roopa Dhatt is Founder of Women in Global Health.

  7.  Aleksandra Dier is the gender coordinator at the United Nations Counter-Terrorism Executive Directorate.

  8. Cory Doctorow is an author, journalist, and tech activist.

  9. Mafalda Duarte is CEO of the Climate Investment Funds.

  10. Nathalia Dukhan

    1 Commentary

    Nathalia Dukhan is a senior investigator at The Sentry.

  11. Thierry Déau is CEO of Meridiam.

  12. Robert Dujarric

    Writing for PS since 1995
    1 Commentary

    Researcher, the Hudson Institute.

  13. Rüdiger Dornbusch

    Rüdiger Dornbusch

    Writing for PS since 1995
    60 Commentaries

    Rüdiger Dornbusch was Professor of Economics at MIT.

  14. Ian Davidson

    Ian Davidson

    Writing for PS since 1996
    37 Commentaries

    Ian Davidson is an adviser to, and a columnist for, the European Policy Centre, Brussels. A former columnist for the Financial Times, his most recent book is Voltaire in Exile.

  1. op_mahbubani1_ FENG LIAFPGettyImages_us china tech war FENG LI/AFP/GettyImages
    Subscriber Exclusive

    The Lose-Lose Tech War

    Kishore Mahbubani & Tony Chan

    Because the advancement of human knowledge should not be politicized, science and technology offer the best prospects for renewed cooperation between China and the United States. But both sides first need to lower the temperature.

    worry that politics is getting in the way of the cooperation needed to advance science and tackle global problems.
    4
  2. soldier training John Moore/Getty Images
    Subscriber Exclusive

    What’s the Endgame in Ukraine?

    Nearly three months after Russia launched its invasion, Western countries appear more committed than ever to Ukraine’s defense, and, in some quarters, to Russia’s defeat. We asked PS commentators what outcome the West, Russia, and Ukrainians themselves can realistically expect.

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