Mr. van Bun (born in 1966) has been working in Turnarounds for all of his professional life. He finished his technical school at Heerlen in 1987, thereafter graduated as Improvement Analyst at Heerlen in 1991. In 1989 started at DSM in the function of Planner. He was directly involved in the different Turnaround processes. In 2003 Team member “planning uniformity stops” as part of Manufacturing Excellence. In 2004 started at Sabic Europe in the function of Scheduler. He was directly involved in different Turnarounds: Ole3, Ole4, AFA, EPT, PP, UF/Melaf, hdPE and ldPE. In 2007 started in the function of Scheduling Coordinator, in this position responsible for scheduling department of Olefins-3/4. Team member for Turnaround Readiness Assessments for Sabic Teesside (UK). Team member for project “TACS – Turnaround management system”. In 2014 started at Perfact Group in the function of Expertise Manager for the department Tasc. This department is responsible for all project management services for Turnarounds and Projects. Perfact Tasc delivers professional and specialized personnel but can also manage part of the project management team or even deliver the complete project management team. He is currently active as a consultant at the following customers: Bayer Uerdingen (D), Citrique Tienen (B), Nyrstar (NL), He also creates and gives trainings and workshops for the Perfact Academy.