Presti was born in
Buenos Aires. His the son of Roque Carlos Alberto Presti, also a military officer. He studied at the
Colegio Militar de la Nación, where he graduated with the rank of second lieutenant as part of the 114 class. During his military career he served as commander of the
601 Air Assault Regiment and the
IV Airborne Brigade, and also he served as director of the Colegio Militar de la Nación. He additionally served as a United Nations peacekeeper in Haiti and as a military attaché in Guatemala. He was promoted to the rank of general during the presidency of
Alberto Fernández. After
Javier Milei assumed the presidency, Presti was appointed Chief of the Army in January 2024. He remained in that position until Milei nominated him as Minister of Defense to replace
Luis Petri, who was elected National Deputy in December 2025. Presti became the first active or former military officer to serve as minister in Argentina since the return of democracy in 1983. ==References==