Nuno Preguiça is Associate Professor at DI FCT UNL, and leads the Computer Systems group of the NOVA Laboratory for Computer Science and Informatics. In 2011 he spent his sabbatical leave at INRIA. The broad aim of my research is to develop techniques that allow applications to efficiently access and share data at any location and at any time. We focus on a broad range of contributions, from principles and theoretical foundations to systems construction. He has been the principal investigator of national projects FEW, Byzantium, RepComp, SwiftComp, the site leader for EU project SyncFree and participated in several other projects. He has received a Google Research Award in 2009 by our work on solutions for cloud data management. He