His parents are Angel Alejandro Jerez Matos, and Dulce María Bueno Núñez.

He is the third son of the Jerez Bueno family, which includes Miguel Angel, Alexandra, and Dulce.

He attended high school at Instituto Evangélico in his native Santiago, then participated in the AFS Exchange Student Program.

He earned a Bachelor of Arts in business at the Pontificia Universidad Católica Madre y Maestra in Santiago, Dominican Republic, in 1991.

Jerez became famous by narrating ESPN Latin America's retransmissions of ESPN USA's ESPN Wednesday Night Baseball and Sunday Night Baseball with the home run catchphrase "Sólido, hacia el jardin (izquierdo, central o derecho), a lo profundoooo... y ¡no... nono, nono, no...!