Hector Espinoza first attended PUENTE in 1995 as a student in the Job Training program. Working with computers became his passion, and PUENTE hired Hector as an assistant for the Computer Applications classes.

After teaching Computer Applications classes for several years, Hector also started a Computer Repair class. He received his CompTIA A+ and Network+ certifications in 2007 and also worked as a Network Administrator assistant for several years.