In IT since 1989 is various roles and functions (e.g. Service manager, process engineer, IT & Facilities manager, consultant, team leader). Trainer/Consultant for ITSM and Lean IT. Specialized in behavioral change and performance management (OBM) in IT environments. Developer of the official OBM Foundation training, author of 'OBM, an introduction', contributing author of 'VeriSM, A service management approach for the digital age.