The Permanency Innovations Initiative (PII) is a multi-site federal demonstration project designed to test innovative approaches and develop knowledge about what works to improve permanency outcomes among subgroups of children in foster care who have the most serious barriers to permanency. Research and practice has shown that effective interventions must be consistently and systematically implemented as intended for outcomes for children and families to improve. The NIRN will support this project by providing training and technical assistance based in implementation science and practice to refine, problem-solve, and strengthen the use of innovations to improve the safety and permanency outcomes of children and families. NIRN’s implementation support will be specifically focused on PII Grantees in California and Kansas, with general support and learning across other technical assistance providers and teams working with other Grantees. Such implementation activities will reflect an understanding of the Grantee’s current status and needs, and be provided via a combination of web-based, telephone/conference call, and in-person-visit activities.