It started in 1973 as a System programmer on mainframes for a large warehouse, after 4 years changed work and started as system programmer for the local government in The Netherlands for the next 8 years. the next job was for Case International as a European Network manager in France. After France, I moved to Germany and lead a team responsible for the consolidation of 4 mainframes from Neus Germany to Racine WI USA. Finished the project and the VP asked me to move over to Racine WI in charge of security and later Disaster recovery for 8 mainframes, 7000 Unix servers, and xxx windows servers. Next, I started working at IBM as a Lead architect contractor and responsible for large customers in the USA. start working for big customers like NASA, Warner Bros, Grove, Borders Bookstore and many others. Next moved back to The Netherlands at IBM and started as a manager for the outsourcing of SAP projects. After IBM Canon worldwide as Head architect in performance monitoring for European customers. Last 4 years responsible for performance and improvement with dyntrace, IBM Tivoli, BMC Discovery, Solarwinds and building an own AI system to detect and resolve performance problems at large customers. Work now helping large enterprise customers on monitoring and detect performance problems in applications and transactions in the USA