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  1. Barbara Unmüßig

    Barbara Unmüßig

    Writing for PS since 2013
    10 Commentaries

    Barbara Unmüßig is President of the Heinrich Böll Foundation.

  2. Oleg Ustenko

    Oleg Ustenko

    Writing for PS since 2022
    7 Commentaries

    Oleg Ustenko was an economic adviser to Ukrainian President Volodymyr Zelensky from May 2019 until March 2024.

  3. Nadeem ul Haque

    Nadeem ul Haque

    Writing for PS since 2017
    3 Commentaries

    Nadeem ul Haque is a former deputy chairman of the Planning Commission of Pakistan and a former senior resident representative of the IMF in Egypt and Sri Lanka.

  4. Simon Upton

    Simon Upton

    Writing for PS since 2016
    2 Commentaries

    Simon Upton is Environment Director at the OECD.

  5. Woochong Um

    Woochong Um

    Writing for PS since 2024
    2 Commentaries

    Woochong Um is CEO of the Global Energy Alliance for People and Planet.

  6. Vygaudas Ušackas

    Vygaudas Ušackas

    Writing for PS since 2021
    1 Commentary

    Vygaudas Ušackas is a former foreign minister of Lithuania.

  7. Marilou Uy

    Marilou Uy

    Writing for PS since 2024
    1 Commentary

    Marilou Uy, former director of the Secretariat of the Intergovernmental Group of Twenty-Four on International Monetary Affairs and Development (G24), is a non-resident senior fellow at the Boston University Global Development Policy Center.

  8. Pat Utomi

    Pat Utomi

    Writing for PS since 2020
    1 Commentary

    Pat Utomi, Chair of the African Union’s Pan-African Private Sector Trade and Investment Committee (PAFTRAC), heads the Centre for Values in Leadership at the Lagos Business School.

  9. Mohammed Usrof

    Mohammed Usrof

    Writing for PS since 2024
    1 Commentary

    Mohammed Usrof is Founder of the Palestinian Institute for Climate Strategy.

  10. Zainab Usman

    Zainab Usman

    Writing for PS since 2022
    1 Commentary

    Zainab Usman is Director of the Africa Program at the Carnegie Endowment for International Peace.

  11. Jutta Urpilainen

    Jutta Urpilainen

    Writing for PS since 2024
    1 Commentary

    Jutta Urpilainen is European Commissioner for International Partnerships.

  12. Iñigo Urkullu

    Iñigo Urkullu

    Writing for PS since 2015
    1 Commentary

    Iñigo Urkullu is President of the Basque Country.

  13. Jon Ungphakorn

    Jon Ungphakorn

    Writing for PS since 2005
    1 Commentary

    Jon Ungphakorn is an elected member of the Thai Senate and committee member of the Asean Inter-Parliamentary Caucus on Democracy in Myanmar. He recently received the prestigious 2005 Ramon Magsaysay Award for Government Service for his work with communities affected by HIV/AIDS and for his work on human rights issues in Thailand.

  14. Sebastian Unger

    Sebastian Unger

    Writing for PS since 2020
    1 Commentary

    Sebastian Unger heads the Ocean Governance Working Group at the Institute for Advanced Sustainability Studies (IASS) in Potsdam. 

  15. Anthony Underwood

    Anthony Underwood

    Writing for PS since 2019
    1 Commentary

    Anthony Underwood is an assistant professor of economics at Dickinson College.

  1. rodrik231_Andrej IvanovGettyImages_us_canda_border Andrej Ivanov/Getty Images

    How Not to Respond to Trump’s Tariffs

    Dani Rodrik advises America’s trade partners not to embrace retaliation, because that would harm mainly themselves.
  2. landau5_Thierry MonasseGettyImages_eu_competitiveness_compass Thierry Monasse/Getty Images

    Europe Found Its Values and Lost Its Way

    Jean-Pierre Landau

    European integration – and the stability and prosperity it supports – has always depended on a pragmatic, incremental approach. If the EU is to navigate today’s challenging geopolitical environment, it must again embrace this approach, rather than continue to allow high-level principles to dictate policy.

    warns that the EU’s focus on high-level principles is undermining its economic dynamism and global influence.
  3. cferguson4_Patrick T. FallonGettyImages_jensen_huang Patrick T. Fallon/Getty Images

    The Crisis in Western AI Is Real

    Charles Ferguson

    Given the risks involved in the race for AI dominance, maintaining a strong lead within democratic advanced economies justifies a public-private strategic mobilization on the scale of the Manhattan Project. Yet the West is doing the opposite, largely owing to its own AI industry’s arrogance, shortsightedness, and greed.

    thinks the US industry bears a considerable share of the blame for China’s DeepSeek breakthrough.
  4. singer239_Andrew HarnikGetty Images_americafirst Andrew Harnik/Getty Images

    “America First” in Action

    Peter Singer assesses the damage Donald Trump has already done to long-term US interests since returning to the White House.
  5. varoufakis124_Luke SharrettGettyImages_palantir_demo Luke Sharrett/Getty Images

    Technofeudalism Is War’s Handmaiden

    Yanis Varoufakis explains how the rise of cloud capital is steering the world toward well-known strategic traps.
  6. buiter54_FABRICE COFFRINIAFP via Getty Images_swissnationalbank Fabrice Coffrini/AFP via Getty Images

    The Positive Case for Negative Rates

    Willem H. Buiter & Ebrahim Rahbari see the widely scorned monetary-policy tool as a necessary option in the absence of fiscal alternatives.
  7. ahzhang20_PETER CATTERALLAFP via Getty Images_deepseek Peter Catterall/AFP via Getty Images

    Will DeepSeek Upend US Tech Dominance?

    Angela Huyue Zhang says the firm’s disruption of the AI industry is about market – not great-power – competition.
  8. buruma222_Anna MoneymakerGettyImages_donald_trump_cross Anna Moneymaker/Getty Images

    Breaking US Democracy Beyond Repair

    Ian Buruma warns that Donald Trump’s efforts to tear down America’s “civic religion” will be difficult to reverse.
  9. patten172_Scott OlsonGetty Images_trump Scott Olson/Getty Images

    Can the Liberal International Order Survive Without America?

    Chris Patten urges Western countries to safeguard the institutions that have underpinned their postwar stability.

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