The urgency of addressing mental health on campuses was brought to the forefront during the pandemic and campuses struggled to respond to this crisis. The traditional approach of working in silos to address this issue was inadequate given the complexity of the problem. In this session, we will describe our research study examining the implementation of the Okanagan Charter on 10 Canadian signatory campuses. The Charter provides a promising framework for guiding campuses in health promotion work. One key finding of our research was the necessity for a systems approach to leadership that engaged the entire campus in health promotion work. We will explore the model of collaborative leadership and then describe how this model was illustrated by the leadership of one stellar example of a whole systems health promotion approach.