Roger Badia is a Miguel Servet I associate researcher (Instituto de Salud Carlos III, Ministry of Science, Innovation and Universities). He holds a PhD in Immunology from the Institute of Biotechnology and Biomedicine at the Autonomous University of Barcelona (IBB-UAB). His research focuses on the molecular mechanisms underlying host-pathogen interaction. Genome editing using CRISPR-Cas9 is the day-to-day toolbox he uses to study cellular cofactors and restriction factors implicated in the HIV replication cycle. Outside the lab he enjoys playing with his daughters, having fun with the guitar, playing rugby and being with his friends.