He is currently the Head of Department and Professor of Philosophy at Central European University, and was previously the Knightbridge Professor of Philosophy at the University of Cambridge and a Fellow of Peterhouse.

From 1990 to 2009, he taught at University College London, first as a lecturer, then as a reader, as a professor, and as head of department.

He was appointed as the Knightbridge Professor of Philosophy at the University of Cambridge in September 2009.

In August 2017, he joined the Department of Philosophy at Central European University, assuming a full professorship.

He is married to the philosopher Katalin Farkas, who also teaches at Central European University.