Vanessa Frias-Martinez is an assistant professor in the iSchool at the University of Maryland. She is interested in urban computing, with a focus on the intersection between big data and social development. She combines data mining and machine learning techniques to extract socially significant information from the digital traces of mobile and ubiquitous technologies. Vanessa received her M.Sc. and Ph.D. degrees in Computer Science from Columbia University. From 2009 to 2013, she was a researcher in the Data Mining and User Modeling Group at Telefonica Research in Madrid, Spain.