Building infrastructure is critical for national development in any country around the world. The measure is also necessary to improve the level of people’s sanitation, welfare and productivity. In the 1990s, Korea was faced with a serious shortage of infrastructure as a result of its preceding rapid economic growth for a couple of decades. So Korea turned to PPP as a way to continue to build up new infrastructure of diverse forms with its limited public resources. PPP reduces social costs and contributes to boosting a country’s overall competitiveness. On top of that, it improves the service level because of the involvement of the private sector. In that sense, PPP helps expand a country’s social infrastructure and thus it can be a viable option for any developing country in need of driving forces of its economic development. This course looks into Korea’s experiences to sum up ways to boost PPP in developing countries and all the success factors involved in the process.