- A.A., Mesa College
- B.A., University of California, Santa Cruz
- M.A., San Diego State University
Guillermo Marrujo is an alumnus of Mesa College. In addition to an AA from Mesa College, Mr. Marrujo earned a BA in Environmental Studies from the University of California at Santa Cruz and an MA in Education and Counseling from San Diego State University. He has had a good deal of experience as a college counselor, having been an adjunct EOPS counselor at California State University, San Marcos, a career counselor at Southwestern College and a Counselor at the Centre City Skills Center. He also brings technological skills in addition to his counseling ones.