Domo of the Breen Confederacy

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The Domo of the Breen Confederacy is the Breen head of state and head of government. (ST - Destiny novel: Mere Mortals)

In 2381, the Breen Domo condemned Federation President Nanietta Bacco's "compulsory summit" of various foreign ambassadors to the Federation to gain support for the Federation's war with the Borg Collective as an insult to his people's sovereignty. (ST - Destiny novel: Mere Mortals)

Heads of Government
Interstellar States	Federation President • Klingon Chancellor • Romulan Praetor • Imperial Romulan State Empress • Cardassian Castellan • Cardassian Chief Executor • Ferengi Grand Nagus • Tzenkethi Autarch • Gorn Imperator • Breen Domo • Orion Chancellor • Tholian Ruling Conclave • Thallonian Prime Minister • Tezwan Prime Minister • Enoch President • Kropasar High Cyning • Caeliar Tanwa-Seynorral
Federation Member States	United Earth Prime Minister • Vulcan Administrator • Vulcan High Command Administrator • Andorian Chancellor • Alpha Centauri Governor • Bajoran First Minister • Trill President • Cestus Governor • Betazoid Governor • Denevan President • Pacifican Governor • Peliar Zel Governor • Zaldan Leader
Federation Colonies	Tarsus Governor • Alpha V Governor • Mantilles Governor • Caldos Governor
UFP Member State Polities	United States President (United Earth) • Governor of Prophet's Landing (Republic of Bajor)
Mirror Universe	Terran Emperor • Terran Consul • Klingon Regent