This document provides an introduction and overview of CORE Group, a global non-profit organization working to improve community health practices for underserved populations. It outlines CORE Group's vision, mission, history, members, activities, and impact. Specifically, it discusses CORE Group's work promoting innovative approaches to primary health care through programs like Care Groups and community health workers. It also describes CORE Group's technical resources, working groups, global partnerships, and vision of healthy communities where no woman or child dies from preventable causes.