Xavier Vilajosana is an associate professor at the Universitat Oberta de Catalunya (UOC) in the area of computer networks and distributed systems. He is also Chief Innovations Officer and Co-Founder of Worlsensing. In early 2009 Xavier presented his PhD in Computer Sciences and he is currently a Fulbright Scholar at the University of California, Berkeley. During the last years of research he acquired extensive experience in distributed systems, wireless ad hoc networks, delay-tolerant networks, and cloud computing. During 2008 he was a visiting researcher at France Telecom, Paris. Among others, today he is actively contributing to the IETF 6LowApp and DASH7 working groups and is a member of the editorial board of various prestigious journals and conferences. Xavier’s research interests include low-power communication protocols, routing, scheduling and optimization problems in distributed systems.