Mariana Llanos is a Lead Research Fellow at the GIGA German Institute of Global and Area Studies in Hamburg, Germany. Her research focuses on comparative political institutions in Latin America, particularly, on the countries of the Southern Cone. She has published numerous journal articles and book chapters on presidentialism, as well as on legislative, judicial, and presidential politics. She is the author of Privatization and Democracy in Argentina (Palgrave, 2002) and co-editor of several books, such as Presidential Breakdowns in Latin America (with L. Marsteintredet, Palgrave, 2010). Her most recent research interest concerns the development of the institutional presidency in Latin America. She is currently the Secretary General of the Latin American Association of Political Science.
Carolina Guerrero Valencia is a research fellow at the German Institute of Global and Area Studies (GIGA) and PhD candidate at the University of Hamburg, Germany. Her dissertation analyzes the institution and political behavior of the First Ladies in Latin America. Her research interests focus on comparative politics, elites, formal and informal institutions, and women in politics.