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Chief of staff

Chief of staff is a leadership title with different meanings in civilian and military organizations. In civilian government organizations and businesses, a chief of staff is a primary aide-de-camp to an important individual, such as a president or leader of a large organization. In military organizations, a chief of staff is the leader of a complex organization, such as one of a country's armed forces, while the role that coordinates supporting staff for a senior military officer may be titled a principal staff officer (PSO).

Civilian
, Susie Wiles, with President Donald Trump in 2025 In civilian organizations, a chief of staff provides a buffer between a chief executive and that executive's direct-reporting team. The chief of staff generally works behind the scenes to solve problems, mediate disputes, and deal with issues before they are brought to the chief executive. as an integrator connecting work streams that would otherwise remain siloed; as a communicator linking the leadership team and the broader organization; as an honest broker and truth teller when the leader needs a wide-ranging view; and as a confidant without an organizational agenda. An organization may also hire an associate chief of staff (ACoS), a senior operational role that serves as a partner to the chief of staff (CoS). Government Australia Chief of Staff to the Prime Minister Brazil Chief of Staff of the Presidency Canada Chief of Staff to the Prime MinisterPrincipal Secretary Colombia Chief of Staff of the Presidency France In France, a distinction is made between a politician's directeur de cabinet and chef de cabinet. The directeur de cabinet is tasked with organising the work of the staff and is authorised to make certain decisions or speak on behalf of the politician. It is thus the more political role. The chef de cabinet is under the authority of the directeur de cabinet and is tasked with organising the politician's agenda. At the Élysée, a third function exists: the Secrétaire général de la présidence de la République (Secretary-General of the Presidency of the Republic). The officeholder is the de facto chief of staff to the President of France, above the directeur de cabinet and chef de cabinet. The secretary-general is the president's closest advisor, coordinating with the government and taking part in the weekly Council of Ministers. Germany Head of the German Chancellery India Principal Secretary to the Prime Minister of India Nigeria Chief of Staff to the President Pakistan Principal Secretary to the PresidentPrincipal Secretary to the Prime Minister Philippines Chief of Staff (Philippines), a former position in the Cabinet of the Philippines, serving under the President of the PhilippinesSpecial Assistant to the President South Korea Chief Presidential Secretary, chief of staff to the President of South Korea Spain Moncloa Chief of Staff United Kingdom Private Secretary to the SovereignDowning Street Chief of StaffCabinet SecretaryPrincipal Private Secretary to the Prime MinisterPrincipal Private Secretary to the Secretary of State for Foreign and Commonwealth Affairs ScotlandChief of Staff to the First Minister United States Chief of staff, the most senior staff member in the office of a member of the United States Congress • White House Chief of Staff ==Military==
Military
In general, the positions listed below are not "chiefs of staff" as defined at the top of this page; they are the heads of the various forces/commands and tend to have subordinates that fulfill the "chief of staff" rolesthe most senior staff officer managing the overall commander's staff. In generalChief of the DefenceChief of the Defence StaffChief of the General StaffChief of the Army StaffChief of the Air StaffChief of the Naval Staff:Category:Vice chiefs of staff AzerbaijanChief of General Staff of Azerbaijani Armed Forces - head of General Staff of Azerbaijani Armed Forces CanadaChief of the Defence Staff (Canada)Chief of the General StaffChief of the Naval StaffChief of the Air Staff FranceChief of the Defence Staff (French: , CEMA) • Chief of Staff of the French Air Force (French: , CEMAA) • Chief of Staff of the French Army (French: , CEMAT) • Chief of Staff of the French Navy (French: , CEMM) • Chief of the Military Staff of the President of the Republic (French: , CEMP) GhanaChief of Defence StaffChief of the Army StaffChief of the Navy StaffChief of the Air Staff GreeceChief of the Defence Staff (Greece)Chief of Staff of the Hellenic Air ForceChief of Staff of the Hellenic ArmyChief of Staff of the Hellenic Navy IndiaChief of Defence Staff (Indian Armed Forces)Chief of the Army Staff (Indian Army)Chief of the Naval Staff (Indian Navy)Chief of the Air Staff (Indian Air Force) IndonesiaChief of Staff of the Indonesian ArmyChief of Staff of the Indonesian NavyChief of Staff of the Indonesian Air Force IrelandChief of Staff of the Defence Forces IsraelChief of the Israeli General Staff ItalyChief of the Defence StaffChief of the Army Staff • Chief of the Navy Staff • Chief of the Air Force Staff PakistanChairman Joint Chiefs of Staff CommitteeChief of Army StaffCGSChief of Naval StaffVice Chief of the Naval StaffChief of Air Staff (Pakistan) PhilippinesChief of Staff of the Armed Forces of the Philippines - exercises command and control over all elements of the Armed Forces of the Philippines. • Chief of Staff, Philippine Army • Chief of Naval Staff (Philippine Navy) • Chief of Air Staff (Philippine Air Force) PortugalChief of the General Staff of the Armed Forces (Portuguese: , CEMGFA) - operational commander of the Portuguese Armed Forces • Chief of Staff of the Navy (Portuguese: , CEMA) - commander of the Portuguese Navy • Chief of Staff of the Army (Portuguese: , CEME) - commander of the Portuguese Army • Chief of Staff of the Air Force (Portuguese: , CEMFA) - commander of the Portuguese Air Force SpainChief of the Defence StaffChief of Staff of the ArmyChief of Staff of the NavyChief of Staff of the Air Force Sri LankaChief of the Defence Staff (Sri Lanka) - the most senior appointment in the Sri Lankan Armed Forces. • Chief of Staff of the Army - deputy commander of the Sri Lankan Army • Chief of Staff of the Navy - deputy commander of the Sri Lankan Navy • Chief of Staff of the Air Force - deputy commander of the Sri Lankan Air Force United KingdomChief of the Defence Staff (CDS) - the professional head of the British Armed Forces. • Chief of the Naval Staff, more commonly called the First Sea LordChief of the General Staff, formerly the Chief of the Imperial General StaffChief of the Air Staff The Sovereign is the Commander-in-Chief. The CDS heads the Chiefs of Staff Committee and is assisted by the Vice-Chief of the Defence Staff. United StatesJoint Chiefs of Staff, headed by the Chairman of the Joint Chiefs of Staff (CJCS) • Chief of Staff of the United States Army • An Army general (O-10) serving as the senior ranking officer within the United States Army, but subordinate to any Army O-10 serving as CJCS or Vice CJCS • Chief of Staff of the United States Air Force • An Air Force general (O-10) serving as the senior ranking officer within the United States Air Force, but subordinate to any USAF O-10 serving as CJCS or Vice CJCS • In unified combatant commands, headed by a general (O-10) or Navy admiral (O-10) • A major general (O-8) or Navy or Coast Guard rear admiral (O-8) overseeing the command's directorates • In military commands headed by a lieutenant general (O-9), vice admiral (O-9), major general (O-8) or rear admiral (O-8), or brigadier general (O-7) or rear admiral, lower half (O-7) • A colonel (O-6) or Navy or Coast Guard captain (O-6) overseeing the entire general officer's/flag officer's command staff; in some cases may also be referred to as an executive assistant or executive officer • In some commands and organizations, two officers in pay grade O-6 may be assigned as chief of staff and executive assistant, respectively. ==See also==
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