Liz Weaver is the Co-CEO of Tamarack Institute where she is leading the Tamarack Learning Centre which is focused on advancing community change leadership. The Tamarack Learning Centre promotes five strategic interconnected practices including collective impact, collaborative leadership, community engagement, community innovation and evaluating community impact. Liz is well-known for her thought leadership on collective impact and is the author of several popular and academic papers on the topic. She is a co-catalyst partner with the Collective Impact Forum. Liz is passionate about the power and potential of communities getting to impact on complex issues.