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  1. Bjørn Lomborg

    Bjørn Lomborg

    Writing for PS since 2005
    181 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
    99 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
    37 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
    32 Commentaries

    Zaki Laïdi, a professor at Sciences Po, is Senior Adviser to the High Representative of the European Union for Foreign Affairs and Security Policy.

  6. Justin Yifu Lin

    Justin Yifu Lin

    Writing for PS since 2009
    28 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
    16 Commentaries

    Keun Lee, a former vice chair of the National Economic Advisory Council for the President of South Korea and a former president of the International Schumpeter Society, is Professor of Economics at Seoul National University, winner of the 2014 Schumpeter Prize, and the author of China’s Technological Leapfrogging and Economic Catch-up: A Schumpeterian Perspective (Oxford University Press, 2022).

  8. Nicholas Reed Langen

    Nicholas Reed Langen

    Writing for PS since 2019
    14 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
    9 Commentaries

    Pascal Lamy, President of the Paris Peace Forum, is a former director-general of the World Trade Organization and EU trade commissioner.

  1. nishtar8_AMAURY HAUCHARDAFP via Getty Images_africavaccine Amaury Hauchard/AFP via Getty Images

    Fifty Years of Immunization Success Call for 50 More

    Sania Nishtar touts the remarkable results of global collaboration on routine vaccination and foresees continued progress.
  2. GettyImages-2149550584 Photo by MARK PETERSON/POOL/AFP via Getty Images

    Trump on Trial

    From a long list of criminal indictments to unfavorable voter demographics, there is plenty standing between presumptive GOP nominee Donald Trump and a second term in the White House. But a Trump victory in the November election remains a distinct possibility – and a cause for serious economic concern.

  3. woods56_Alex WongGetty Images_georgieva Alex Wong/Getty Images

    The IMF Chose the Right Leader the Wrong Way

    Ngaire Woods thinks the Fund’s process for selecting its managing director is woefully out of step with today’s world.
  4. bildt122_Mikhail SvetlovGetty Images_trumpputin Mikhail Svetlov/Getty Images

    Trump Is Putin’s Only Hope Now

    Carl Bildt considers the implications of Ukraine finally receiving the Western military aid it has been waiting for.
  5. frankel159_Getty Images_customer service Getty Images

    How to Rebuild Trust in Public Institutions

    Eleanor Carter & Carolyn J. Heinrich highlight the value of face-to-face interactions at a time when governments are phasing out in-person services.
  6. isenberg1_TIMOTHY A. CLARYPOOLAFP via Getty Images_trumptrial Timothy A. Clary/Pool/AFP via Getty Images

    Is Trump Above the Law?

    Nancy Isenberg

    Contrary to what former US President Donald Trump would have the American public believe, no president enjoys absolute immunity from criminal prosecution. To suggest otherwise is to reject a bedrock principle of American democracy: the president is not a monarch.

    explains why the US Supreme Court must reject the former president's claim to immunity from prosecution.
  7. deryugina1_BEN BIRCHALLPOOLAFP via Getty Images_ukraineflagsoldier Ben Birchall/Pool/AFP via Getty Images

    Ukraine Is Far From Doomed

    Tatyana Deryugina & Anastassia Fedyk

    When comparing Ukraine’s situation in 2024 to Europe’s in 1941, Russia’s defeat seems entirely possible. But it will require the West, and the US in particular, to put aside domestic political squabbles and muster the political will to provide Ukraine with consistent and robust military and financial assistance.

    compare Russia's full-scale invasion to World War II and see reason to hope – as long as aid keeps flowing.
  8. glennerster2_Scott OlsonGetty Images)_vaccines Scott Olson/Getty Images)

    The Pandemic Financing Developing Countries Need

    Rachel Glennerster urges multilateral development banks to establish mechanisms that enable at-risk vaccine purchases.
  9. krueger74_AFP via Getty Images_nigercoup AFP via Getty Images

    The Geopolitics of Africa’s Debt Crisis

    Anne O. Krueger urges developed countries to back efforts by the IMF and the World Bank to promote growth-enhancing reforms.

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