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  1. Joschka Fischer

    Joschka Fischer

    Writing for PS since 2006
    194 Commentaries

    Joschka Fischer, Germany’s foreign minister and vice chancellor from 1998 to 2005, was a leader of the German Green Party for almost 20 years.

  2. Jeffrey Frankel

    Jeffrey Frankel

    Writing for PS since 2000
    187 Commentaries

    Jeffrey Frankel, Professor of Capital Formation and Growth at Harvard University, previously served as a member of President Bill Clinton’s Council of Economic Advisers. He is a research associate at the US National Bureau of Economic Research.

  3. Martin Feldstein

    Martin Feldstein

    Writing for PS since 2008
    130 Commentaries

    Martin Feldstein was Professor of Economics at Harvard University and President Emeritus of the National Bureau of Economic Research. He chaired President Ronald Reagan’s Council of Economic Advisers from 1982 to 1984. In 2006, he was appointed to President Bush's Foreign Intelligence Advisory Board, and, in 2009, was appointed to President Obama's Economic Recovery Advisory Board. He was also on the board of directors of the Council on Foreign Relations, the Trilateral Commission, and the Group of 30, a non-profit, international body that seeks greater understanding of global economic issues.

  4. Alex Friedman

    Alex Friedman

    Writing for PS since 2013
    24 Commentaries

    Alex Friedman, CEO and Co-Founder of Novata, Inc. and Co-Founder of Jackson Hole Economics, is a former chief financial officer of the Bill & Melinda Gates Foundation and chief investment officer of UBS.

  5. Marcel Fratzscher

    Marcel Fratzscher

    Writing for PS since 2013
    17 Commentaries

    Marcel Fratzscher, a former senior manager at the European Central Bank, is President of the think tank DIW Berlin and Professor of Macroeconomics and Finance at Humboldt University of Berlin.

  6. Lili Fuhr

    Lili Fuhr

    Writing for PS since 2014
    14 Commentaries

    Lili Fuhr, Head of the International Environmental Policy Division of the Heinrich Böll Foundation, is a steering committee member for the Fossil Fuel Non-Proliferation Treaty Initiative and a founding board member of the Climate Justice Fund.

  7. Gene Frieda

    Gene Frieda

    Writing for PS since 2011
    14 Commentaries

    Gene Frieda, a global strategist at PIMCO, is a senior visiting fellow at the London School of Economics.

  8. Jean-Paul Fitoussi

    Jean-Paul Fitoussi

    Writing for PS since 1997
    12 Commentaries

    Jean-Paul Fitoussi is Professor Emeritus of Economics at Sciences-Po and Research Director of OFCE (Sciences-Po Center for Economic Research, Paris).

  9. Hippolyte Fofack

    Hippolyte Fofack

    Writing for PS since 2020
    11 Commentaries

    Hippolyte Fofack is Chief Economist and Director of Research at the African Export-Import Bank (Afreximbank).

  10. George P. Fletcher

    George P. Fletcher

    Writing for PS since 2001
    11 Commentaries

    George P. Fletcher is Cardozo Professor of Jurisprudence at Columbia University. His latest book is Romantics at War: Glory and Guilt in the Age of Terrorism.

  11. Christiana Figueres

    Christiana Figueres

    Writing for PS since 2015
    11 Commentaries

    Christiana Figueres, a founding partner of Global Optimism, is a co-author of the bestselling book The Future We Choose: The Stubborn Optimist’s Guide to the Climate Crisis, and a co-presenter of the Outrage + Optimism podcast. She was executive secretary of the United Nations Framework Convention on Climate Change from 2010-16, overseeing the landmark Paris agreement on climate change, adopted by 190 countries and the European Union.

  12. Francis Fukuyama

    Francis Fukuyama

    Writing for PS since 2001
    9 Commentaries

    Francis Fukuyama, Senior Fellow at Stanford University's Freeman Spogli Institute for International Studies, is Director of FSI's Center on Democracy, Development, and the Rule of Law and Stanford's Master's in International Policy Program.

  13. Federico Fubini

    Federico Fubini

    Writing for PS since 2013
    9 Commentaries

    Federico Fubini, an economics journalist and editor-at-large at Corriere della Sera, is the author, most recently, of Sul Vulcano (Longanesi, 2020).

  14. Steve Fuller

    Steve Fuller

    Writing for PS since 2003
    8 Commentaries

    Steve Fuller is Professor of Social Epistemology at the University of Warwick, United Kingdom. He is co-author, with Veronika Lipinska, of The Proactionary Imperative.

  15. John Fitzgibbon

    John Fitzgibbon

    Writing for PS since 2012
    8 Commentaries

    John Fitzgibbon a lecturer in Politics and International Relations at Canterbury Christ Church University.

  1. op_mahbubani1_ FENG LIAFPGettyImages_us china tech war FENG LI/AFP/GettyImages
    Subscriber Exclusive

    The Lose-Lose Tech War

    Kishore Mahbubani & Tony Chan

    Because the advancement of human knowledge should not be politicized, science and technology offer the best prospects for renewed cooperation between China and the United States. But both sides first need to lower the temperature.

    worry that politics is getting in the way of the cooperation needed to advance science and tackle global problems.
    3
  2. soldier training John Moore/Getty Images
    Subscriber Exclusive

    What’s the Endgame in Ukraine?

    Nearly three months after Russia launched its invasion, Western countries appear more committed than ever to Ukraine’s defense, and, in some quarters, to Russia’s defeat. We asked PS commentators what outcome the West, Russia, and Ukrainians themselves can realistically expect.

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