 After Iturbide's abdication, the Congress chose a triumvirate consisting of Generals Pedro Celestino Negrete, Nicolás Bravo and Guadalupe Victoria to exercise executive power until presidential elections could be held.However, Bravo and Victoria were absent, and Michelena and Licenciado Miguel Domínguez were chosen as temporary substitutes.Michelena was the leader of the triumvirate while he held the position (1822–24).