The article discusses how the New Public Management (NPM) approach, developed in parliamentary systems, may not be suitable for presidential democracies like Israel. Israel's experience with administrative reform shows that the requirements for successful public administration differ between parliamentary and presidential systems. When Israel transitioned to a semi-presidential system, its reform program was adjusted to fit the needs of presidentialism. This suggests that there is a unique logic to presidentialist administration that government officials need to consider when designing administrative arrangements.