Leader of Fianna Fáil Leader of Fianna Fáil The Leader of Fianna Fáil is the most senior politician within the Fianna Fáil political party in Ireland. Since 26 January 2011, the office has been held by Micheál Martin, following the resignation of Taoiseach Brian Cowen as leader of the party. The post of Leader of Fianna Fáil was officially created in 1926 when Éamon de Valera founded the party. De Valera had previously been leader of Sinn Féin and took the Anti-Treaty side during the Civil War. The new party essentially became a home for dissatisfied Sinn Féin TDs who had become disillusioned with
Éamon de Valera nominally head of the anti-Treatyites, de Valera had little influence. He does not seem to have been involved in any fighting and had little or no influence with the military republican leadership - headed by IRA Chief of Staff, Liam Lynch. De Valera and the anti-Treaty TDs formed a "republican government" on 25 October 1922 from anti-Treaty TDs to "be temporarily the Supreme Executive of the Republic and the State, until such time as the elected Parliament of the Republic can freely assemble, or the people being rid of external aggression are at liberty to decide freely how they are