The key point of successful HIA development is the involvement of all stakeholders form the initiation process. Even though HSRI has identified the government sectors as the main users of the HIA process, the academic community and civil society have been recognized as firm ground on which to drive healthy public policy. However, the transformation of technical knowledge into system changes has only been legitimized with the endorsement of both civil society and the government. This might be the first time in Thailand’s history of public policy that academicians have been enlisted to work side by side with political powers and civil society.