Thomas has held chairs at the universities of Keele, Birmingham and Bochum.
He has been a Visiting Fellow at the European University Institute in Florence and at the Australian National University.
Thomas is the author and editor of numerous publications on political parties and comparative politics and is currently directing the Political Party Database Project together with Susan E. Scarrow, Paul D. Webb, and Emilie van Haute.
His latest book, edited with Wilhelm Hofmeister, deals with political parties and the crisis of democracy:
Political Parties & the Crisis of Democracy
Oxford University Press, 2024
