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  1. Chang Ka Mun

    Chang Ka Mun

    Writing for PS since 2016
    1 Commentary

    Chang Ka Mun is managing director of the Fung Business Intelligence Centre of the Li & Fung group of companies.

  2. Sigrid Kaag

    Sigrid Kaag

    1 Commentary

    Sigrid Kaag is Minister for Foreign Trade and Development Cooperation for the Netherlands.

  3. Malado Kaba

    Malado Kaba

    Writing for PS since 2022
    2 Commentaries

    Malado Kaba, Director of the Gender, Women, and Civil Society Department at the African Development Bank and Managing Director of Falémé Conseil, served as the first female minister of economy and finance of the Republic of Guinea.

  4. Omar Kabbaj

    Writing for PS since 2004
    1 Commentary

    Omar Kabbaj is President of the African Development Bank, Tunis.

  5. Donald P. Kaberuka

    Donald P. Kaberuka

    Writing for PS since 2011
    10 Commentaries

    Donald P. Kaberuka, a former president of the African Development Bank, is Board Chair of the Global Fund to Fight AIDS, Tuberculosis, and Malaria.

  6. Jane Kabubo-Mariara

    Jane Kabubo-Mariara

    Writing for PS since 2023
    3 Commentaries

    Jane Kabubo-Mariara is Executive Director of the Partnership for Economic Policy, Professor of Economics at the University of Nairobi, President of the African Society for Ecological Economics, and a member of the Central Bank of Kenya’s Monetary Policy Committee and the Club of Rome’s Earth4All 21st Century Transformational Economics Commission.

  7. Steve Kaczynski

    Steve Kaczynski

    Writing for PS since 2024
    1 Commentary

    Steve Kaczynski, a former manager of companywide communications at Progressive Insurance and manager of brand communications at Nestlé, is a Web3 entrepreneur, consultant, and commentator and the co-author (with Scott Duke Kominers) of The Everything Token: How NFTs and Web3 Will Transform the Way We Buy, Sell, and Create (Portfolio, 2024).

  8. Paul Kagame

    Paul Kagame

    Writing for PS since 2012
    4 Commentaries

    Paul Kagame is President of Rwanda.

  9. Guy Kahane

    Guy Kahane

    Writing for PS since 2011
    1 Commentary

    Guy Kahane is Deputy Director of the Uehiro Centre for Practical Ethics, Faculty of Philosophy, University of Oxford.

  10. Suzanne Kahn

    Suzanne Kahn

    Writing for PS since 2024
    1 Commentary

    Suzanne Kahn, a former research analyst at 32BJ SEIU, is Vice President of the think tank at the Roosevelt Institute.

  11. David Kaiser

    Writing for PS since 2012
    1 Commentary

    David Kaiser is Professor of the History of Science at the Massachusetts Institute of Technology. His latest book is How the Hippies Saved Physics: Science, Counterculture, and the Quantum Revival.

  12. Karl Kaiser

    Karl Kaiser

    Writing for PS since 2013
    1 Commentary

    Karl Kaiser is a former director of the German Council on Foreign Relations, an adjunct professor at Harvard’s John F. Kennedy School, and Director of the Program on Transatlantic Relations at the Weatherhead Center for International Affairs.

  13. Wu’er Kaixi

    Wu’er Kaixi

    Writing for PS since 2019
    1 Commentary

    Wu’er Kaixi, a member of the Reporters Without Borders (RSF) Emeritus Board, was a leader of the Tiananmen Square protest in 1989.

  14. Sophia Kalantzakos

    Sophia Kalantzakos

    Writing for PS since 2020
    2 Commentaries

    Sophia Kalantzakos, Professor of Environmental Studies and Public Policy at New York University Abu Dhabi, is the founding head of the Geopolitics and Ecology of Himalayan Water project and author of China and the Geopolitics of Rare Earths (Oxford University Press, 2017) and The EU, US, and China Tackling Climate Change: Policies and Alliances for the Anthropocene (Routledge, 2017).

  15. Rashad Kaldany

    Writing for PS since 2012
    1 Commentary

  1. vaheesan2_Michael M. SantiagoGetty Images_gigworkersprotest Michael M. Santiago/Getty Images

    The Gig Economy vs. America’s Workers

    Sandeep Vaheesan warns that proposed ballot initiatives in Massachusetts would legalize exploitative employment practices.
  2. sherwin13_CURTIS MEANSPOOLAFP via Getty Images_repubicans trump trial CURTIS MEANS/POOL/AFP via Getty Images

    King Trump on Trial

    Richard K. Sherwin

    High-ranking Republican politicians have lately been turning up at Donald Trump’s New York City trial to demonstrate solidarity with the former president. But their attendance also serves a more alarming purpose: to validate Trump as a competing source of sovereign power, independent of the US Constitution and the rule of law.

    explains why a parade of Republican leaders have made appearances at the former president’s trial in New York.
  3. spence173_ Joe RaedleGetty Images_power Joe Raedle/Getty Images

    Crunch Time for the Power Sector

    Michael Spence argues that developing flexible, stable, and resilient smart grids requires an expanded industrial policy.
  4. op_janeway16_SAUL LOEBAFP via Getty Images_bidenchips Saul Loeb/AFP via Getty Images

    The Rise of Mesoeconomics

    William H. Janeway

    A growing body of literature focusing on the domain between the microeconomic and the macroeconomic has become increasingly relevant in a world beset by supply shocks. Armed with such insights, those designing industrial policies will have a better chance of achieving their overlapping economic- and national-security goals.

    details how a long-neglected field of economic study can be applied to today's most pressing policy challenges.
  5. strain27_Philipp von Ditfurthpicture alliance via Getty Images_AIeducation Philipp von Ditfurth/picture alliance via Getty Images

    What the AI Pessimists Are Missing

    Michael R. Strain points out that the technology will help to address many of the risks it creates.
  6. ito37_Spencer PlattGetty Images_columbiaprotests Spencer Platt/Getty Images

    The Innocent Bystanders of College Protests

    Takatoshi Ito laments that a radical minority can disrupt the lives of so many in the broader university community.
  7. lacamera1_Wang DongzhenXinhua via Getty Images_COP28 Wang Dongzhen/Xinhua via Getty Images

    Only Public-Private Cooperation Can Accelerate Decarbonization

    Francesco La Camera & Bruce Douglas explain how to translate political commitments into actual wind turbines and solar panels.
  8. haass167_ANATOLII STEPANOVAFP via Getty Images_ukrainesoldiers Anatolii Stepanov/AFP via Getty Images

    Defining Success in Ukraine

    Richard Haass calls for a shift to a defensive posture and efforts to bring about a long-term ceasefire.
  9. aslund75_Pierre CromGetty Images_ukraineconflict Pierre Crom/Getty Images

    A Unified Western Strategy for Ukraine

    Anders Åslund proposes a maximalist approach to military aid to replace the current piecemeal injections of old weapons.

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