Geoffrey Pleyers is an FNRS researcher and professor at the Catholic University of Louvain and the vice-president for research of the International Sociological Association. He is the author of “Alter-Globalization. Becoming Actors in the Global Age” (Polity, 2011) and has recently published a series of articles on global sociology and social movements during the COVID-19 pandemic, including “The pandemic is a battlefield. Social movements during the COVID-19 lockdown”, “Global Sociology in the Pandemic”, “L’entraide et la solidarité comme réponses à la pandémie”. He co-edited the book “Social movements and politics in the pandemic” (Policy, 2021).