He got his Juris Doctor degree from the University of Puerto Rico (in 1965), pursued constitutional law at Harvard University (summers of 1977 and 1978) and got a PhD in Administrative Constitutional Right from Spain's Universidad Complutense de Madrid (in 2002).
Cerezo put together a group of ad hoc volunteer lobbyists, including Romero, legendary party founder Luis A. Ferré, in his late 80's at the time, as well as a younger cadre that included attorney Carlos Díaz Olivo, now a law professor, businessman Cesar Cabrera, subsequently a United States Ambassador, attorney Luis Fortuño, subsequently Governor of Puerto Rico, and Kenneth McClintock, who later became the territory's President of the Senate and Secretary of State.
After leaving the NPP sphera, he went on to have a successful law practice and a career as a non-affiliated political analyst.
[2] Cerezo was a harsh critic of the actions he understood wrong, or harmful to the people, regardless of their party or affiliation.
He was married to United States District Judge Carmen Consuelo Vargas and was the father of one daughter and one son, a partner in a Miami law firm.