Guille Polito is chargé de recherche at INRIA and the CRIStAL laboratory in the University of Lille, within the Evref team. Guille's main research interests are compilers, modularity, tooling, and automated testing. He formerly worked in the industry on service-oriented and mobile applications before doing a PhD in computer science. Guille has participated in the Pharo community since 2010 and is now a board member. His most noticeable contributions to the community are the Pharo Bootstrap process and Iceberg.