This document provides an overview and agenda for a town hall meeting for applicants to the Patient-Centered Outcomes Research Institute's (PCORI) National Patient-Centered Clinical Research Network program. The agenda includes introductions from PCORI leadership, an overview of PCORI's mission and priorities, details on the Clinical Data Research Networks initiative and requirements for letters of intent, and a question and answer session. The goal is to build a national data infrastructure through Clinical Data Research Networks to facilitate patient-centered comparative effectiveness research.