From June 2003, full professor of forensic science at the Ecole des Sciences Criminelles (ESC) of the Faculty of law, criminal justice and public administration of the University of Lausanne. From August 2021, he is the Director of the ESC and Vice-Dean of the Faculty. Before that, he acted as vice-director of the ESC from 2004 to 2014 and from 2014 to 2021, he was the operational director of the ISO 17025 accredited laboratory of the ESC. His research and teaching activities are centered around the interpretation and presentation of identification methods, mainly faces, fingerprints, footwear marks, toolmarks, DNA and other biometric systems. Casework duties include fingerprints, footwear marks and marks examinations and interpretation issues (DNA, face recognition, earprint, toolmarks and fibres).