Concepts in risk management in PPP projects have continuously evolved over the years. Introduction of new concepts, risk management planning, sustainability risk management and risk stakeholders, create a greater understanding of the acceptable workings of PPP projects. This chapter aims to investigate and compare these concepts in academic literatures and to the practices of PPP project implementations as exemplified in numerous PPP projects. This chapter reviews and analyzes information on these concepts. Extant literatures are reviewed and their take on the concepts are compared with the results obtained from the case studies. The chapter found both similarities and differences and also suggests some interesting researches on several key areas that should be emphasized for a better take in having an effective risk management strategy.