It is clear that systems impacting the positive trajectory of young people (e.g., education, health, workforce development, criminal justice, transportation, etc) are supported by policies, practices and budgets that require new lenses and advocacy approaches to meet the realities of the 21st century. The Youth Systems Strengthening CoP aims to provide an open learning and sharing space that allows participants to understand more about the purposes, processes and outcomes associated with reforming systems that impact youth outcomes sustainably and at scale.