John S. Leonardo is a former United States Attorney for the District of Arizona.

Born in Des Moines, Iowa, Leonardo graduated from Dowling High School in 1965.

[1] After law school, Leonardo became an assistant U.S. attorney for the Northern District of Indiana from 1973 to 1982 and later for the District of Arizona from 1982 to 1993 before resigning to become a Pima County Superior Court judge.

[1] He was appointed by President Obama as United States Attorney for the District of Arizona in July 2012.

sponsored justice reform initiative in Tirana, Albania, with the diplomatic status of Attache to the U.S.