Julien Mairal is a research scientist at Inria. He received a graduate degree from Ecole Polytechnique, France, in 2005, and a Ph.D. from Ecole Normale Superieure, Cachan, France, in 2010. He spent two years as a post-doctoral researcher in the statistics department of UC Berkeley, before joining Inria in 2012. His research interests include machine learning, computer vision, mathematical optimization, and statistical image and signal processing. In 2013, he received the Cor Baayen prize, awarded every year by ERCIM to a promising young researcher in computer science and applied mathematics. In 2016, he received a Starting Grant from the European Research Council (ERC), and he received the IEEE PAMI young researcher award in 2017.