Tim Bale is an expert on European politics and political parties. He won the UK Political Studies Association's W.J.M. Mackenzie prize for his book The Conservative Party from Thatcher to Cameron (2010) and is a frequent contributor to broadcast, print and social media in both Britain and beyond.
Cristóbal Rovira Kaltwasser is an expert on populism, who has held visiting appointments at Nuffield College, Sciences Po, the Social Science Research Centre Berlin (WZB) and Uppsala University. He is the co-author of the book Populism. A Very Short Introduction (with Cas Mudde, 2017) which has been translated into more than ten languages.