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  1. Bjørn Lomborg

    Bjørn Lomborg

    Writing for PS since 2005
    176 Commentaries

    Bjørn Lomborg, a visiting professor at the Copenhagen Business School, is Director of the Copenhagen Consensus Center. His books include The Skeptical Environmentalist, Cool It, How to Spend $75 Billion to Make the World a Better Place, The Nobel Laureates' Guide to the Smartest Targets for the World, and, most recently, Prioritizing Development. In 2004, he was named one of Time magazine's 100 most influential people for his research on the smartest ways to help the world. 

  2. Mark Leonard

    Mark Leonard

    Writing for PS since 2004
    106 Commentaries

    Mark Leonard, Director of the European Council on Foreign Relations, is the author of The Age of Unpeace: How Connectivity Causes Conflict (Bantam Press, 2021).

  3. Philippe Legrain

    Philippe Legrain

    Writing for PS since 2007
    39 Commentaries

    Philippe Legrain, a former economic adviser to the president of the European Commission, is Visiting Senior Fellow at the London School of Economics’ European Institute and the author of Them and Us: How Immigrants and Locals Can Thrive Together (Oneworld, 2020).  

  4. Bernard-Henri Lévy

    Bernard-Henri Lévy

    Writing for PS since 2015
    36 Commentaries

    Bernard-Henri Lévy is one of the founders of the “Nouveaux Philosophes” (New Philosophers) movement. His books include Left in Dark Times: A Stand Against the New Barbarism, American Vertigo: Traveling America in the Footsteps of Tocqueville, and most recently, The Empire and the Five Kings

  5. Zaki Laïdi

    Zaki Laïdi

    Writing for PS since 2012
    35 Commentaries

    Zaki Laïdi, a professor at Sciences Po, is a former special adviser to the High Representative of the European Union for Foreign Policy and Security.

  6. Justin Yifu Lin

    Justin Yifu Lin

    Writing for PS since 2009
    29 Commentaries

    Justin Yifu Lin, a former World Bank chief economist, is Dean of the Institute of New Structural Economics and Dean of the Institute of South-South Cooperation and Development at Peking University. 

  7. Keun Lee

    Keun Lee

    Writing for PS since 2021
    21 Commentaries

    Keun Lee, a former vice chair of the National Economic Advisory Council for the President of South Korea, is Distinguished Professor of Economics at Seoul National University, a fellow at CIFAR, an editor at Research Policy, and the author, most recently, of Innovation-Development Detours for Latecomers: Managing Global-Local Interfaces in the De-Globalization Era (Cambridge University Press, 2024).

  8. Nicholas Reed Langen

    Nicholas Reed Langen

    Writing for PS since 2019
    16 Commentaries

    Nicholas Reed Langen, a 2021 re:constitution fellow, edits the LSE Public Policy Review and writes on the British constitution for The Justice Gap.

  9. Christine Lagarde

    Christine Lagarde

    Writing for PS since 2009
    14 Commentaries

    Christine Lagarde, former Managing Director of the International Monetary Fund, is President of the European Central Bank. She previously served as France’s finance minister from 2007-2011.

  10. Susan Lund

    Susan Lund

    Writing for PS since 2013
    13 Commentaries

    Susan Lund is a partner at McKinsey & Company and a leader at the McKinsey Global Institute.

  11. Carlos Lopes

    Carlos Lopes

    Writing for PS since 2017
    13 Commentaries

    Carlos Lopes, a professor at the Nelson Mandela School of Public Governance at the University of Cape Town, is a member of the World Resources Institute’s Board and Chair of the African Climate Foundation Board.

  12. Noëlle Lenoir

    Noëlle Lenoir

    Writing for PS since 2002
    13 Commentaries

    Noëlle Lenoir, a former French minister for Europe, is an honorary justice of the French Constitutional Court.

  13. F. Stephen Larrabee

    F. Stephen Larrabee

    Writing for PS since 2007
    11 Commentaries

    F. Stephen Larrabee holds the Distinguished Chair in European Security at the Rand Corporation, and served on the National Security Council staff in the Carter Administration.

  14. Jean-Pierre Lehmann

    Jean-Pierre Lehmann

    Writing for PS since 2001
    10 Commentaries

    Jean-Pierre Lehmann is Emeritus Professor of International Political Economy at IMD, Switzerland, Founder of The Evian Group, and Visiting Professor at Hong Kong University and NIIT University in Neemrana Rajasthan.

  15. Pascal Lamy

    Pascal Lamy

    Writing for PS since 2009
    10 Commentaries

    Pascal Lamy, a former director-general of the World Trade Organization, is the vice chair of the Paris Peace Forum and co-chair of ATLAS.

  1. op_shafik2_ROBYN BECKAFP via Getty Images_USpoverty Robyn Beck/AFP via Getty Images

    World Order in a Time of Monsters

    Minouche Shafik

    A stable and cooperative global order cannot be built without first repairing broken national social contracts. While unequal and anxious countries become fertile ground for nationalism and selfishness, prosperous economies are more likely to foster generosity and support for international cooperation.

    highlights the critical importance of reinvigorating social contracts at the national level.
  2. 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.
  3. landau5_Thierry MonasseGettyImages_eu_competitiveness_compass Thierry Monasse/Getty Images

    Europe Found Its Values and Lost Its Way

    Jean-Pierre Landau warns that the EU’s focus on high-level principles is undermining its economic dynamism and global influence.
  4. 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.
  5. 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.
  6. 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.
  7. 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.
  8. 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.
  9. 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.

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