The findings from the 2020-21 ICCPM International Roundtable Series and the implications for the delivery of major projects. It presents the frameworks, models and lessons that enable us to explore the nature and impact of emergence for major projects and manage the capabilities and competencies needed to harness emergence in practice. Describing how your worldview and mental paradigms shape how we see, understand and deal with emergence in complex projects, the practical capabilities and competencies major project leaders need to harness emergence, and how our view of complexity informs our approach to emergence and risk in major projects.