Guilherme holds a PhD and a Master’s degree in Political Science from the University of São Paulo, a Master’s degree in International Relations from the University of Campinas (San Tiago Dantas Program), a specialization in History and Political Cultures from the Federal University of Minas Gerais, and a Bachelor’s degree in International Relations from the Pontifical Catholic University of Minas Gerais. He is a professor at FGV in the areas of Public Administration, Political Science, and International Relations. He has been a visiting fellow at Tel Aviv University (2011) and at Brandeis University (2015). He has conducted research and published articles in the fields of Brazilian foreign policy, Brazil–Middle East relations, and International Relations theory.

Among his most relevant publications are “The Place of Israel and Palestine in Brazilian Foreign Policy” (História, 2014), “Itamaraty’s Mission” (Cairo Review of Global Affairs, 2014), “Itamaraty on the Move” (Bulletin of Latin American Research, 2013), “Brazil, East Asia, and the Shaping of World Politics” (Perceptions, 2013), and “The Role of Itamaraty in the Foreign Policy of the Collor de Mello Administration” (Revista Brasileira de Política Internacional, 2012).