Welcome Mario Guzman!

The IT department would like to extend a warm welcome to our newest staff member, Mario Guzman. Mario will work as our part-time Web Developer. This position is funded by the Title V grant to develop interactive online resources for students and applications that build pathways to persistence and completion.  Prior to joining Mt. SAC, Mario provided consulting and freelance web design/development and also served as the Director of End User Support for the Walt Disney Company. We are excited to have Mario join the IT department.

Mario Guzman, Web Developer


Need HelpNeed Help

Send Online Request Online Support Request

Send Email Button Email (helpdesk@mtsac.edu)

Call Us Call Us: (909) 274-4357


Mailing Address
Information Technology
Mt. San Antonio College
1100 N. Grand Ave
Walnut, CA 91789

Campus Location
Building 23

7:30 am - 4:30 pm

(909) 468-3996

Mt. San Antonio College

1100 N. Grand Ave., Walnut, CA 91789
Phone: 909.274.7500 • TTY: 909.594.3447
For emergencies, call Campus Police: 909.274.4555 Ι Text-A-Tip: 909.274.9560

Copyright © 1989- • Mt. San Antonio College. All Rights Reserved.


All college-printed materials and Web info are available in alternative formats upon request.
Contact Disabled Student Programs & Services: 909.274.4290 or TTY 909.594.3447.

The 504/508 ADA Coordinators are located in Bldg. 4–230 and can be contacted at 909.274.4225.