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General Contact

Thank you for your interest!

Contact Us:

707.255.0950
707.255.0334  FAX - Main Office

Faculty/ Staff Directory

  • Photo of Alma Gallegos, M.Ed.
    Alma Gallegos, M.Ed.
    Administration, Diversity and Inclusion
    Assistant Principal; Director of LEAP
    Since: 2011
    707.255.0950 ext. 526
    Pepperdine University - M.A.
    University of California, Santa Barbara - B.A.
  • Photo of Berenice Garvan
    Berenice Garvan
    World Languages
    Instructor of World Languages
    Since: 2011
    707.255.0950 ext. 587
    University College, Cork City, Ireland - B.A.
    University of Salamanca, Salamanca, Spain - M.A.
  • Photo of Caroline Gerlomes
    Caroline Gerlomes '79
    Administrative Support
    Executive Assistant to the President
    Since: 2006
    707.255.0950 ext. 644
    California State University, Sacramento - B.A.
  • Photo of Harry Giusti
    Harry Giusti '75
    Transportation
    Bus Driver
    Since: 2013
    707.255.0950
  • Photo of Mark "Mr. Graham" Graham
    Mark "Mr. Graham" Graham
    Residential Life
    Amerigo Napa Valley ~ Campus Coordinator
    Since: 2023
  • Photo of Jason "Coach" Guiducci
    Jason "Coach" Guiducci
    Residential Life
    Residential Assistant
    Since: 2022
  • Photo of Maria Guzman
    Maria Guzman
    Facilities and Maintenance
    Custodian
    Since: 2006
    707.255.0950

Justin-Siena High School

4026 Maher Street
Napa, CA, 94558
United States
T: 707.255.0950 
F: 707.255.0334
Justin-Siena is a Lasallian Catholic college preparatory community that serves young people in grades 9–12.