John Diaz was born and raised in Red Hook, Brooklyn and attended P.S. 13K, P.S. 29K, JHS 142K and Boys High School. He is a graduate of Brooklyn College and Cornell University.
In 1970 he began his long association with the Metropolitan Opera when he was hired as stage hand. Mr. Diaz is an officer with Local One/IATSE.
His love of the theater began when his third grade teacher took him to a Broadway show. Through his work with Inside Broadway Mr. Diaz hopes to inspire children through Broadway and theater the way his third grade teacher inspired him.