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ABSTRACT
Recently, multi-project management has become prevalent. However, the execution of multi-project is subject to considerable uncertainty (such as the addition of new projects or the removal of withdrawn projects) that may lead to schedule disruptions. This study adopts an event-driven approach whereby all projects are grouped as a dynamic network which will be modified and rescheduled in response to significant events in terms of urgency and seriousness. Regarding the need to assign resources to every project over time and avoid conflicts due to resource contention, this study applies high level Petri nets to simulate the multi-project network, thus generates a schedule that minimizes makespan while preserving resource feasibility.