Timothy J. Power is currently serving as Head of the Social Sciences Division at the University of Oxford, where he is Professor of Latin American Politics and a Fellow of St Antony’s College. From 2018-2021, Power was Head of School at the Oxford School of Global and Area Studies (OSGA). An Associate Fellow of Chatham House from 2007 to 2017, he is also a former president of the Brazilian Studies Association (BRASA) Power is a specialist on comparative politics and government, having written extensively on presidentialism and institutional design. He has focused specifically on elections, the party system and executive-legislative relations in Brazil, where he has been conducting research since the late 1980s. He has been a visiting professor at several leading Brazilian universities and conducts a regular survey of members of the Brazilian National Congress.