Professor Power is currently serving as Head of the Social Sciences Division. His underlying academic appointment is shared between the Department of Politics & International Relations and the Oxford School of Global and Area Studies (OSGA), wherein he is attached to the Latin American Centre. My research interests include democratisation, presidentialism, comparative political institutions (parties, legislatures, and elections) and the politics and government of Latin America, especially Brazil.

In 1990, Tim initiated the Brazilian Legislative Survey which he now co-directs with Cesar Zucco Jr of the Fundação Getúlio Vargas in Rio de Janeiro.

From 2012-2014, he was the Director of Graduate Studies in Politics in DPIR. Tim has served as Treasurer of the Latin American Studies Association and as President of the Brazilian Studies Association. He is currently an associate editor of the Journal of Politics in Latin America and serves on the editorial boards of Comparative Political Studies, Political Behavior, Latin American Politics and Society (USA), América Latina Hoy (Spain), Política y Gobierno (Mexico), and Dados (Brazil).