Celso Alejandro Jaque (born September 24, 1960) is an Argentine Justicialist Party (PJ) politician, current Argentine Ambassador to Colombia, former governor of Mendoza Province and a former senator.Born in Malargüe, Mendoza, Jaque graduated as an accountant at the National University of Cuyo. He joined the Justicialists in 1983, and was elected to the Provincial Legislature in 1991, serving until 1995, when he was elected Mayor of Malargüe.