Alejandro M. Sinibaldi,
Was First Designate the equivalent of Vice-President in the time of Justo Rufino Barrios. When Justo Rufino Barrios was killed Alejandro Sinibaldi became president. Alejandro Sinibaldi had no political connections and was not in the military so he was pressured to resign within days of taking over. His successor Manuel Lisandro Barillas was a general in the Guatemalan army.