Nils Holtug is Professor of Philosophy at the University of Copenhagen. He has published extensively on egalitarianism, prioritarianism, migration, social cohesion, and population ethics. His books include The Politics of Social Cohesion. Immigration, Community, and Justice (Oxford University Press 2021), Persons, Interests, and Justice (Oxford University Press 2010), and Egalitarianism: New Essays on the Nature and Value of Equality (co-edited with Kasper Lippert-Rasmussen; Clarendon Press 2006).