The document announces an upcoming symposium from February 11-13, 2009 at EPFL-LATSIS in Lausanne, Switzerland on understanding violence. The symposium will feature speakers discussing topics related to gene-environment interactions, stress/hormones and violence, brain mechanisms and dynamics, sociology/psychology, and modeling/virtual reality approaches. Discussants will include researchers from EPFL, University of Leiden, WHO, and University of Geneva. The scientific committee is organized by Carmen Sandi from EPFL along with co-organizers from ZI, UCL UK, UPC ES, and EPFL. Early registration and abstract submission deadlines were in December 2008 and further information