Some foreign services show a tendency to break up hierarchical structures by giving their ambassador the role of a coach. In view of his double responsibility towards his own and the host government. There are limits to downgrading an ambassador’s role. In the and, it is the ambassador who makes all final decisions. Once a decision is made. The ambassador has to be sure that the staff implements it in a loyal way. As was previously mentioned, an ambassador has the final decision only if his authority over all members of the extent of the ambassador’s authority as follows: “The chief of mission’s authority encompass not only the personnel of the Department of State and the Foreign Service. But also personal representatives of other United States Executive Branch agencies (excluding those personnel under the command of a US area military commander) which have programs activities in the country”