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5814 Contributors, 80 Regular Contributors

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  1. Juan Caballero

    Juan Caballero

    Writing for PS since 2024
    1 Commentary

    Juan Caballero is a senior data scientist at World Data Lab, where he leads the Insights and Analytics team.

  2. Fernando Cabrera

    Fernando Cabrera

    Writing for PS since 2018
    1 Commentary

    Fernando Cabrera is the coordinator of Observatorio Petrolero Sur (OPSur), an Argentinian civil society energy watchdog.

  3. Mauricio Cabrera Leal

    Mauricio Cabrera Leal

    Writing for PS since 2024
    1 Commentary

    Mauricio Cabrera Leal is Deputy Minister of Policy and Regulation at the Ministry of Environment and Sustainable Development in Colombia.

  4. Jose M. Cadenas

    Jose M. Cadenas

    Writing for PS since 2012
    1 Commentary

    Jose Maria Cadenas, a psychologist, is a former dean of the Faculty of Humanities and Education of Venezuela and former Academic Vice-President of the Central University of Venezuela.

  5. Cristina Caffarra

    Cristina Caffarra

    Writing for PS since 2023
    2 Commentaries

    Cristina Caffarra, Co-founder and Vice Chair of the Competition Research Policy Network at the Centre for Economic Policy Research, is an honorary professor at University College London.

  6. Jin-Yong Cai

    Jin-Yong Cai

    Writing for PS since 2014
    1 Commentary

    Jin-Yong Cai is Executive Vice President and Chief Executive Officer of the International Finance Corporation, a member of the World Bank Group.

  7. Felipe Calderón

    Felipe Calderón

    Writing for PS since 2013
    4 Commentaries

    Felipe Calderón, former President of Mexico, is Chair of the Global Commission on the Economy and Climate.

  8. Pietro Calice is Senior Policy Advisor, Christian Aid.

  9. Pietro Calice

    Writing for PS since 2008
    1 Commentary

    Pietro Calice is Senior Policy Advisor, Christian Aid.

  10. Koray Caliskan

    Koray Caliskan

    Writing for PS since 2023
    1 Commentary

    Koray Caliskan, Associate Professor of Strategic Design and Management at The New School, is the author of Data Money: Inside Cryptocurrencies, Their Markets, Communities, and Blockchains (Columbia University Press, 2023).

  11. Brian Callaci

    Brian Callaci

    Writing for PS since 2023
    1 Commentary

    Brian Callaci is Chief Economist at the Open Markets Institute.

  12. Daniel Callahan

    Daniel Callahan

    Writing for PS since 2004
    1 Commentary

    Daniel Callahan is Director, International Program, The Hastings Center, and a Senior Fellow at the Harvard Medical School. He is the author, most recently, of What Price Better Health? Hazards of the Research Imperative.

  13. Beniamino Callegari

    Beniamino Callegari

    Writing for PS since 2023
    1 Commentary

    Beniamino Callegari, an associate professor at Kristiania University College, is a member of the Earth4All modeling team.

  14. David P. Calleo

    Writing for PS since 2008
    1 Commentary

    David P. Calleo is the Dean Acheson Professor and Director of European Studies at Johns Hopkins University's Paul H. Nitze School of Advanced International Studies.

  15. Kathy Calvin

    Writing for PS since 2014
    1 Commentary

    Kathy Calvin is President and Chief Executive Officer of the United Nations Foundation.

  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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