Will Haza was born in Washington, DC to Cuban parents, Elia and Guillermo Haza. His first performance was at age eight, in a stage play of Goldilocks and the Three Bears at the Bethesda Academy of Performing Arts (BAPA). During his high school years, he worked under the direction of Jane Pesci-Townsend in numerous productions through the BAPA Summer Musical Theater Program and at the Theater Lab Musical Theater Institute