Lars Erik Holmquist leads the Mobile Innovations group at Yahoo! Labs in Santa Clara, CA. Previously, he was Professor in Media Technology at S�dert�rn University and manager of the Interaction Design and Innovation lab at the Swedish Institute of Computer Science. He was a co-founder and research leader at the Mobile Life Centre, a joint research venture between academia and industry hosted at Stockholm University, with major partners including Ericsson, Microsoft, Nokia, TeliaSonera and the City of Stockholm. He received his M.Sc. in Computer Science in 1996, his Ph.D. in Informatics in 2000, and became an Associate Professor in Applied IT in 2004, all at the University of Gothenburg.… In his work he has developed many pioneering interfaces and applications in the areas of ubiquitous computing and mobile services, including location-based devices, handheld games, mobile media sharing, visualization techniques, entertainment robotics, tangible interfaces and ambient displays. All of his work has been carried out in multi-disciplinary settings, mixing technology, design and user studies, often in close collaboration with industrial stakeholders.