Nuno Guimaraes graduated in Electrical Engineering at the Technical University of Lisbon, Instituto Superior Tecnico (School of Engineering), Portugal, in 1983, where he pursued postgraduate studies (MSc and PhD in Computer and Electrical Engineering). He is currently Full Professor at the Computer Science (Informatics) at the Faculty of Sciences of the University of Lisbon. From 2004 to 2009, he was Dean of the Faculty of Sciences of the University of Lisbon. From 1982 to 1997, he was a researcher of INESC, Instituto de Engenharia de Sistemas e Computadores, Lisbon, Portugal. Since 1990, he was responsible for the "Multimedia and Interaction Techniques" Group, and participated in technical developments and coordination of national and international projects. Between 1989 and 1991, he was a consultant for Bell Labs, AT&T, Murray Hill, New Jersey, "Software Systems Principles Research Lab," working in the areas of User Interfaces and early experiences with Hypertext Systems. From 1996 to 2002, he co-founded several start up companies operating in the areas of Multimedia, Workflow, and Collaborative Computing. He is a Senior Member of ACM. Luis Carrico is an Associate Professor at the University of Lisbon's Department of Computer Science (Informatics). His main research interests have addressed Human Computer Interaction, User Centred Design, Mobile Interface Design, Pervasive Computing, Hypermedia, Groupware, Accessibility, and Ehealth. He received his PhD (2000) in Electrical and Computer Engineering from the Technical University of Lisbon. He has published more than one hundred articles in journals, books, and conferences, and participated in more than eighteen research and development projects, six of which international. He was a member of more than fifty program committees and he is an invited reviewer and evaluator for the European Commission. He is the leader of the AbsInt (Absolute Interaction) team, at the HCIM (Human Computer Interaction and Multimedia)Group, and a senior researcher at LaSIGE (Large Scale Informatics Systems) research unit.
