The National Institute of Clinical Studies (NICS) was established in 2000 by the Australian government to improve health care by closing evidence-practice gaps. Improving emergency care through use of evidence is a priority area of work for NICS. This article describes the NICS Emergency Care Program and the current application of a "Community of Practice" to support emergency clinicians to implement best practices research. This approach combines aspects of evidence implementation science, quality improvement techniques, and knowledge management within a social network model to provide a mechanism for rapid sharing of explicit and tacit knowledge. Through the Community of Practice, the clinical community guides the priorities for the Emergency Care Program and is actively engaged in the development and implementation of initiatives.