The Head of Government is the government official who is the political leader of a nation. Some heads of government double as head of state. Notable heads of government in the modern era include the posts of President of the United Federation of Planets (Nanietta Bacco), Chancellor of the High Council of the Klingon Empire (Martok, son of Urthog), Praetor of the Romulan Star Empire (Tal'Aura), Grand Nagus of the Ferengi Alliance (Rom), Autarch of the Tzenkethi Coalition, and Castellan of the Cardassian Union (Elim Garak). Within the Federation's political subdivisions, heads of government include the posts of Prime Minister of United Earth, President of the United States of America (subdivision of United Earth), Chancellor of the Andorian Empire, President of the Trill Union, and First Minister of the Republic of Bajor.

Heads of Government
Interstellar States Federation PresidentKlingon ChancellorRomulan PraetorImperial Romulan State EmpressRomulan EmpressRomulan Republic ProconsulCardassian CastellanCardassian Chief ExecutorFerengi Grand NagusTzenkethi AutarchGorn ImperatorGorn KingBreen DomoOrion ChancellorTholian Ruling ConclaveThallonian Prime MinisterTezwan Prime MinisterEnoch PresidentKropasar High CyningCaeliar Tanwa-SeynorralTalarian Commander-in-ChiefKinshaya Pontifex
Federation Member States United Earth Prime MinisterVulcan AdministratorVulcan First MinisterAndorian PresiderAlpha Centauri GovernorBajoran First MinisterTrill PresidentCestus GovernorBetazoid GovernorDenevan PresidentPacifican GovernorPeliar Zel GovernorZaldan LeaderZeta-Atezian Imperator
Federation Colonies Tarsus GovernorAlpha V GovernorMantilles GovernorCaldos Governor
UFP Member State Polities United States President (United Earth)Indian Prime Minister (United Earth)Governor of Prophet's Landing (Republic of Bajor)
Mirror Universe Terran EmperorTerran ConsulKlingon RegentGorn ImperatorChairman of the Galactic CommonwealthPraetor of the Romulan Star Empire
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