Introduction: The paper describes and support a global need for evidence based health information policies, demonstrates how and why evidence is collated and identifies the sources of information, the need, role and importance of different stakeholders in this process as well as evidence to support the purpose. The paper then addresses the challenges identified and focuses on a specific case study highlighting the benefits of communities of interest, of practice and of purpose. The paper has global reach and relevant to all communities interested in supporting capacity building in this area. Methods: This paper report on one case study to show how Community of Purpose has been established to address the global need for Healthcare Information for all and Evidence Informed Policy-Making for All. It is a qualitative study on the process have been established to engage and maintain the interest and participation of community members like the type of participation needed for members (how, what, why) and the process needed for participation. Results: As a knowledge topic evolves, the nature of the community that owns, or looks after, that knowledge will also evolve and it is for this reason it is important to consider Communities of Purpose to address the global need and to facilitate continuous capture of explicit and tacit knowledge in the same time on different health priority topics. The experience of the Community of Purpose Health Information for All and Evidence Informed Policy-Making for All (HIFA-Fr) from World Health Organization is relevant example on why and how to establish international collaborative platform. Conclusion: This case study demonstrates the role and importance of facilitators or moderators and also cognitive presence is and its purpose.