Pérez-Díaz received his bachelor"s degree, magna cum laude, from Fairfield University in 1978 and received his law degree, magna cum laude from the University of Puerto Rico Law School in 1981. He was Editor-in-Chief of the University of Puerto Rico Law Review. Pérez-Díaz received his master"s of law from the in 1983.
He was appointed by former Governor Rafael Hernández Colón. Prior to becoming the Attorney General, Pérez-Díaz served as Solicitor General of the Commonwealth of Puerto Rico. He has two children, Maria Victoria, born December 12, 1991, and Andrea Isabel, born August 26, 1994.
From 1985 to 1986, Pérez-Díaz was the Director of the Federal Litigation Division at United States Department of Justice for the Commonwealth of Puerto Rico.
And from 1986 to 1989, he was the Special Assistant to the Governor in Charge of Federal Affairs in the Office of Governor Rafael Hernández Colón. After law school, Pérez-Díaz served as a judicial clerk for Chief Justice Jose Trias Monge of the Supreme Court of Puerto Rico and for Stephen Breyer, a Judge of the United States Court of Appeals for the First Circuit and future Associate Justice of the United States Supreme Court.
