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5814 Contributors, 80 Regular Contributors

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  1. Roberto Zagha

    1 Commentary

    Roberto Zagha is a former World Bank Country Director for India and Secretary of the Commission on Growth and Development.

  2. Kawtar Zerouali is Deputy Director of the Nature Assets Team at the UN Capital Development Fund.

  3. Christopher Zuber

    Christopher Zuber

    1 Commentary

    Christopher Zuber is Senior Economist at the German Council of Economic Experts.

  4. Carl Zimmer

    Writing for PS since 2001
    1 Commentary

    The author of Parasite Rex and writes regularly on evolution in the journal "Natural History."

  5. Richard Zeckhauser

    Richard Zeckhauser

    Writing for PS since 2001
    1 Commentary

    Professor of Political Economy at the John F. Kennedy School of Government.

  6. Anton Zeilinger

    Anton Zeilinger

    Writing for PS since 2001
    1 Commentary

    Professor of Experimental Physics at the University of Vienna, Austria, where he and his group are doing research in photonic entanglement and molecular optics to test the most fundamental issues in quantum physics.

  7. Jose Zalaquett

    Jose Zalaquett

    Writing for PS since 2002
    1 Commentary

    Human rights activist and Professor of International Law at the University of Chile.

  8. John Ziman

    Writing for PS since 2002
    1 Commentary

    Fellow of the Royal Society and Emeritus Professor of Physics at the University of Bristol.

  9. Ernesto Zedillo

    Ernesto Zedillo

    Writing for PS since 2003
    3 Commentaries

    Ernesto Zedillo is a former president of Mexico (1994-2000) and a member of the Global Commission on Drug Policy.

  10. G. P. Zachary

    G. P. Zachary

    Writing for PS since 2004
    11 Commentaries

    G. Pascal Zachary is the author of Married to Africa: a Love Story.

  11. Salomé Zourabichvili

    Salomé Zourabichvili

    Writing for PS since 2006
    1 Commentary

    Salomé Zourabichvili, President of Georgia, is a former Minister of Foreign Affairs of Georgia.

  12. Jonathan Zittrain

    Writing for PS since 2006
    1 Commentary

    Jonathan Zittrain is a Professor at Harvard Law School and co-founder of the Berkman Center for Internet and Society there. He is also a Professor at Oxford University's Oxford Internet Institute

  13. Paul J. Zak

    Paul J. Zak

    Writing for PS since 2006
    1 Commentary

    Paul J. Zak, a fellow at the Gruter Institute and director of Claremont Graduate University's Center for Neuroeconomics Studies, is editor of Moral Markets: The Critical Role of Values in the Economy.

  14. Phillip Zimbardo

    Phillip Zimbardo

    Writing for PS since 2008
    1 Commentary

    Philip Zimbardo is Emeritus Professor of Psychology at Stanford University. See www.lucifereffect.com

  15. Zeina Zaatari

    Writing for PS since 2008
    1 Commentary

    Zeina Zaatari is senior program officer for the Middle East and North Africa for the Global Fund for Women.

  1. benami222_Dia ImagesGettyImages_al-sharaa_erdogan Dia Images/Getty Images

    The Fight for Syria

    Shlomo Ben-Ami worries that Israel and Turkey, with their clashing ambitions, could undermine the country’s stability.
  2. wei68_EITAN ABRAMOVICHAFP via Getty Image_mercosureudeal Eitan Abramovich/AFP via Getty Images

    How to Counter Trump's Tariffs Productively?

    Shang-Jin Wei proposes steps that allies and rivals alike can take to mitigate the effects of American trade policies.
  3. ghosh85_NOAH SEELAMAFP via Getty Images_indiaaadhaar Noah Seelam/AFP via Getty Images

    Weaponizing Data Against Democracy

    Jayati Ghosh explains why and how authoritarian leaders like Narendra Modi hide or manipulate official figures.
  4. james227_Central PressGettyImages_neville_chamberlain_munich_pact Central Press/Getty Images

    Alternatives to Trump’s Russia Appeasement

    Harold James explains how France and Britain can guarantee Ukraine’s security now that America has effectively surrendered.
  5. op_malmendier1_ INA FASSBENDERAFP via Getty Images_germanyrailway Ina Fassbender/AFP via Getty Images

    Germany at a Crossroads

    Ulrike Malmendier, et al.

    Despite its ongoing economic stagnation and aging population, Germany’s outlook is far from hopeless. But to restore its growth momentum, it must embrace the realities of the twenty-first century, invest in high-potential emerging sectors, and adapt to an increasingly volatile geopolitical landscape.

    urge policymakers to pursue bold structural reforms, rather than clinging to an outdated growth model.
  6. cnobre2_CARL DE SOUZAAFP via Getty Images_amazonfire Carl de Souza/AFP via Getty Images

    The Amazon’s Future Will Be Decided in 2025

    Carlos Nobre & Marielos Peña-Claros warn that the world's largest rainforest is reaching a tipping point, beyond which it will largely disappear.
  7. zizek42_Andrej IsakovicGettyImages_serbia_student_protests Andrej Isakovic/Getty Images

    The New Face of Protest

    Slavoj Žižek contrasts the pioneering mass student demonstrations in Serbia with widespread private resignation in China.
  8. lee54_Ed JonesGettyImages_korea_elderly_worker Ed Jones/Getty Images

    Reaping Asia’s Silver Demographic Dividend

    Lee Jong-Wha urges governments to develop integrated policies that encourage older adults to stay in the workforce.
  9. ekue1_Peter DazeleyGettyImages_green_jar_coins Peter Dazeley/Getty Images

    Getting Green Investment Where It’s Needed Most

    Serge Ekué & Javier Díaz Fajardo propose a strategy to redirect all financial flows toward the climate transition.

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