As an IT Service Management trainer, consultant and line manager with over 25 years of experience in IT, Marcel has performed strategic and tactical assignments in a wide variety of areas. For the ITIL 4 update, Marcel has been part of the ITIL 4 Lead Architect Team and Review Team at AXELOS. Through his association with AXELOS, Marcel comprehends the background, the architecture, and the underlying reasons of the ITIL 4 update.