Jesus M. Gonzalez-Barahona is co-founder of "Bitergia":http://bitergia.com, the software development analytics company specialized in the analysis of free / open source software projects. He also teaches and researches in Universidad Rey Juan Carlos (Spain), in the context of the GSyC/LibreSoft research group. His interests include the study of communities of software development, with a focus on quantitative and empirical studies. He enjoys taking photos of the coffee he drinks around the world.