João Leitão holds a PhD in Information Systems and Computer Engineering from the Instituto Superior Técnico of the Technical University of Lisbon (2012). Previously he graduated (2006) and obtained a Master (2007) in Computer Engineering from the Faculty of Sciences of the University of Lisbon. He conducts his research Centro de Informática e Tecnologia da Informação (CITI) of the Faculdade de Ciências e Tecnologia da Universidade de Lisboa, where he is a Post-Doc Researcher. His research interests are focused on the design of fault-tolerant and efficient large-scale systems with particular interest in cloud computing and peer-to-peer environments. He is a member of the ACM and IEEE.