What term describes the president as the head of the administration of the Federal Government?

The term that describes the president as the head of the administration of the Federal Government is "Chief Administrator." This role emphasizes the president's responsibility for overseeing the executive branch and ensuring that federal agencies and departments operate effectively and efficiently. As the chief administrator, the president manages the implementation of laws and policies, appoints key officials, and directs the administrative apparatus of the government. This position is crucial for maintaining the function and accountability of the Federal Government.

While other titles such as "Chief Legislator" highlight the president's role in influencing legislative processes, "Commander in Chief" pertains specifically to military leadership, and "Chief of State" refers more broadly to the ceremonial aspects of the presidency, it is "Chief Administrator" that places the focus squarely on the president's executive management duties within the federal government.