Prof. Daniel Gatica-Perez directs the Social Computing Group at Idiap and EPFL in Switzerland. His research integrates theories and methods from ubiquitous computing, social media, machine learning, and social sciences. His current work includes mobile crowdsensing in cities and analysis of mobile social media, smartphone data, and open data. His research has been supported by the Swiss National Science Foundation, Innosuisse, the European Commission, and several industry partners. He also works with cities and local organizations in social innovation projects.