Professor Marlies Glasius is a Professor of International Relations at the University of Amsterdam. Her research focuses on taxation policy, authoritarianism, global civil society, and international criminal justice. Between 2019 and 2022, Professor Glasius served as the Chair of the Politics Department at the University of Amsterdam. Professor Glasius led the ERC-funded project 'Authoritarianism in a Global Age' from 2013 to 2018. Her recent monograph Authoritarian Practices in a Global Age was published by Oxford University Press in 2022 and explores how authoritarian practices unfold within democracies and at the transnational level, highlighting the circumstances in which they thrive, and how they are best challenged. In this interview we speak to Professor Glasius about Authoritarian Practices in a Global Age, delving into the book’s themes, the process of researching authoritarian practices and the methodological challenges associated with said research.