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Chief Justice of Canada
Chief Justice of Canada: presiding judge of the nine-member Supreme Court of Canada under the Supreme Court Act, appointed by the Governor in Council on the Prime Minister's recommendation; first held by William Buell Richards (1875), currently Richard Wagner (since 2017), and serves as administrator of the government when the governor general is absent.
Chief Justice of Ceylon
The Chief Justice of Ceylon was the senior judicial office of the Supreme Court, created in 1801, and became the Chief Justice of Sri Lanka.
Chief Justice of Ghana
The Chief Justice of Ghana is the head of the judiciary, president of the Supreme Court, and chair of the Judicial Council, an office created in 1876.
Chief Justice of India
Chief Justice of India (CJI): senior-most judge and head of the Supreme Court of India under Article 124, first held by Harilal J. Kania (1950). Master of the roster; leads the collegium; 53rd CJI Surya Kant since 24 November 2025.
Chief Justice of Japan (最高裁判所長官)
The Chief Justice of Japan (最高裁判所長官) heads Japan's Supreme Court, designated by the Cabinet and appointed by the Emperor, ranking at the same level as the Prime Minister.
Chief Justice of Kenya
Chief Justice of Kenya: head of the Judiciary, President of the Supreme Court, and chair of the Judicial Service Commission, NCAJ, and Kenya Law. Office dates to colonial rule; post-2010 holders are Mutunga, Maraga, and Koome (since 2021).
Chief Justice of New South Wales
Chief Justice of New South Wales: head of the NSW Supreme Court since 17 May 1824, first held by Sir Francis Forbes; 18 holders including three Streets, Evatt, Kerr, and Gleeson; incumbent Andrew Bell since 7 March 2022.
Chief Justice of Nigeria
The Chief Justice of Nigeria (CJN) heads the Nigerian judiciary and presides over the Supreme Court of Nigeria, the apex court, under the 1999 Constitution.
Chief Justice of the Philippines
The Chief Justice of the Philippines presides over the Supreme Court and heads the judicial branch; Cayetano Arellano was first appointed in 1901, and Alexander Gesmundo holds the office in 2026.
Chief Justice of the Supreme Court of Hong Kong
The Chief Justice of the Supreme Court of Hong Kong headed the colonial judiciary from 1844 until the 1997 handover, when the court became the High Court.
Chief Justice of the Supreme Court of Indonesia
Chief Justice of the Supreme Court of Indonesia (Ketua Mahkamah Agung): head of Indonesia's highest court under Article 24 of the 1945 Constitution, elected by fellow justices to five-year terms. Current officeholder Prof. Sunarto, elected October 2024 for 2024–2029, succeeding Syarifuddin. Distinct from the Constitutional Court chief justice.
Chief Justice of the Supreme Court of Korea
Chief Justice of the Supreme Court of Korea (대법원장): head of Korea's highest court and of judicial administration, chairs the Council of Supreme Court Justices, recommends all justice appointments, first held by Kim Byong-ro from 1948.
Chief Justice of the Supreme Court of Norway
Chief Justice of the Supreme Court of Norway (høyesterettsjustitiarius), president of the court of last instance created by the 1814 Constitution, first sitting 30 June 1815; leads 20 justices, handles appointments assessments, budgets, and judicial review.
Chief Justice of the United States
Chief Justice of the United States: presiding officer of the nine-member Supreme Court and head of the federal judiciary. Also called Chief Justice of the Supreme Court before 1866. Assigns majority opinions when in the majority; 17 holders since 1789; current Chief Justice John G. Roberts, Jr.
Chief Justice of Western Australia
Chief Justice of Western Australia: head of the WA Supreme Court under s 7A of the Supreme Court Act 1935, appointed by the Governor; office since 1861, 14 holders, current Chief Justice Peter Quinlan since 2018, also Lieutenant Governor.
Chief marketing officer
The chief marketing officer (CMO), also called chief brand officer, is a company's highest-ranking marketing executive, responsible for setting brand and marketing strategy, driving revenue, and representing the customer to the CEO and board.
Chief Master Sergeant of the Air Force
Chief Master Sergeant of the Air Force (CMSAF): the USAF's highest enlisted rank and top enlisted advisor to the Secretary and Chief of Staff; created 1966, first held by Paul W. Airey, currently David R. Wolfe, the 21st.
Chief minister (India)
Chief minister (India): elected head of a state government, appointed by the Governor under Article 164 and head of the State Council of Ministers, holding exclusive State List powers over 66 items.
Chief Minister of the Northern Territory
Chief Minister of the Northern Territory: head of government of Australia's self-governing NT since 1 July 1978; first holder Paul Everingham, current holder Lia Finocchiaro (CLP), appointed by the Administrator and leading Cabinet from Darwin.
Chief ministership of Narendra Modi
The chief ministership of Narendra Modi was his tenure as chief minister of the Indian state of Gujarat from October 2001 to May 2014, the longest in the state's history.
Chief of Army Staff (Nigeria)
Chief of Army Staff (Nigeria), COAS, formerly General Officer Commanding: head of the Nigerian Army, appointed by the President, reporting to the Chief of Defence Staff; held since October 2025 by Major General Waidi Shaibu.
Chief of Defence Forces (Pakistan)
Chief of Defence Forces (CDF), Pakistan's senior-most military office created by the 27th Constitutional Amendment (November 2025), replacing the CJCSC; held concurrently by the army chief, first Field Marshal Asim Munir, five-year tenure.
Chief of Defence Staff (India)
Chief of Defence Staff (CDS), India's single-point military adviser created December 2019; heads Department of Military Affairs and chairs Chiefs of Staff Committee; holders Bipin Rawat, Anil Chauhan, N. S. Raja Subramani.
Chief of Naval Operations
Chief of Naval Operations (CNO), head of OPNAV, the US Navy's headquarters staff; office created 1915 with Admiral William S. Benson as first incumbent; directly responsible to the Secretary of the Navy and heads the administrative chain of command.
Chief of police
Chief of police: the appointed top executive of a municipal police department, overseeing operations, budget, and discipline. Distinct from elected sheriffs; typical tenure about 5.4 years; role shaped by the Vollmer-era professionalization movement.
Chief of staff
Chief of staff: senior staff officer assisting a commander or heading a military service, as in the US Army Chief of Staff (10 U.S.C. 7033) and the historic Prussian Chief of the General Staff.
Chief of Staff of the United States Air Force
Chief of Staff of the United States Air Force (CSAF): senior uniformed Air Force officer, created by the National Security Act of 1947; first held by Carl Spaatz, 26 September 1947; four-year presidential appointment under 10 U.S.C. §9033; current chief Kenneth Wilsbach, 24th incumbent.
Chief of Staff of the United States Army
Chief of Staff of the United States Army (CSA): the Army's senior four-star uniformed officer under 10 U.S.C. 7033, presiding over the Army Staff and advising the Secretary of the Army; 41st chief Randy George was ousted in April 2026, with General Christopher LaNeve serving as acting chief.
Chief of the Air Staff (India)
Chief of the Air Staff (India): head of the Indian Air Force, a four-star Air Chief Marshal at Air Headquarters, Vayu Bhawan. First held by Sir Thomas Elmhirst (1947); first Indian chief Subroto Mukherjee (1954); current chief Amar Preet Singh, with Ashutosh Dixit the 29th CAS from 31 October 2026.
Chief of the Air Staff (United Kingdom)
Chief of the Air Staff (CAS): four-star professional head of the UK Royal Air Force, established 3 January 1918 under Hugh Trenchard; accountable to the Secretary of State for Defence; current incumbent Air Chief Marshal Sir Harv Smyth since August 2025.