Joerg Schweizer received a PhD at the EPFL, Switzerland, in 1999. Since 2003 he has been a researcher at the Civil Engineering department, University of Bologna, where his research focus is on Personal Rapid Transit (PRT), microsimulations of multi-modal networks with activity-based demand, as well as the analysis of cycling infrastructure. He is teaching courses in Sustainable Transportation Engineering and microsimulations. He is in the executive board of the Advanced Transit Association (ATRA).