Brian Bernard Cowen is an Irish former politician who served as Taoiseach and Leader of Fianna Fáil from 2008 to 2011. Cowen served as a TD for the constituency of Laois–Offaly from 1984 to 2011 and served in a number of ministerial roles between 1992 and 2011, including as Minister for Finance from 2004 to 2008 and Tánaiste from 2007 to 2008.

The Taoiseach is the head of government or prime minister of Ireland. The office is appointed by the President of Ireland upon the nomination of Dáil Éireann and the office-holder must retain the support of a majority in the Dáil to remain in office.