Administrative Core – Abstract This Program Project Grant (PPG) entitled Harnessing a Two-State FEP LHS to Optimize Engagement and Prevent Disengagement in CSC is supported by an Administrative Core to provide resources and maintain the communication needed to coordinate the research and financial activities being conducted in the five institutions – the University of Maryland, the University of Pennsylvania, Johns Hopkins University, the University of Pittsburgh, and Sheppard Pratt Healthcare – that are participating in this research. The Administrative Core is directed by Drs. Melanie Bennett and Monica Calkins. The Administrative Core is located at the University of Maryland School of Medicine in the Department of Psychiatry, Division of Psychiatric Services Research. The focus of the Administrative Core is the successful implementation of the program goals to support a coordinated research program focused on optimizing Coordinated Specialty Care (CSC) engagement and preventing disengagement in youth with first episode psychosis (FEP).The Administrative Core is integral to the overall goals of this PPG, particularly regarding synergy among projects. The AC and the Research Projects are highly inter-related and each interacts with the others. The Administrative Core will maintain a stable, flexible, yet centralized infrastructure to promote and coordinate multi-disciplinary research in promoting engagement involving experts in psychiatric services research, interventions development and implementation in psychosis, cognition and cognitive assessment, clinical trials, implementation science, and participatory research. The leadership team and administrative support described herein has proven to be very effective and flexible working together during the current Early Psychosis Intervention Network (EPINET) project (MH120550).