Jason Hickel is an author and Professor at the Institute for Environmental Science & Technology (ICTA-UAB) at the Autonomous University of Barcelona. He is also a Visiting Professor at the International Inequalities Institute at the London School of Economics, and a Fellow of the Royal Society of Arts. He serves on the Climate and Macroeconomics Roundtable of the US National Academy of Sciences, the advisory board of the Green New Deal for Europe, the Rodney Commission on Reparations and Redistributive Justice, and the Lancet Commission on Sustainable Health. Jason's research focuses on political economy, inequality, and ecological economics, which are the subjects of his two most recent books: The Divide: A Brief Guide to Global Inequality and its Solutions (Penguin, 2017), and Less is More: How Degrowth Will Save the World (Penguin, 2020), which was listed by the Financial Times and New Scientist as a book of the year.

Yanis Varoufakis born 24 March 1961 is a Greek economist, politician, and co-founder of DiEM25. A former academic, he served as the Greek Minister of Finance from January to July 2015. Since 2019, he is again a Member of Greek Parliament and MeRA25 leader. He is the author of several books including, Another Now (2020). Varoufakis is also a professor of Economics – University of Athens, Honorary Professor of Political Economy – University of Sydney, Honoris Causa Professor of Law, Economics and Finance – University of Torino, and Distinguished Visiting Professor of Political Economy, Kings College, University of London.