Staff Directory

To contact a staff member by phone, please call the office at (714) 663-6551.

Name Title/Position Email Web site
Administrative and Support Staff
Holly Jefferson Principal hjefferson@ggusd.us
Jon Eastin Assistant Principal jeastin@ggusd.us
Andrew Dinh Counselor adinh2@ggusd.us
Letricia Thomas Secretary lthomas@ggusd.us
Janette Berber Registrar jberber@ggusd.us
Jennifer Alcaraz Attendance jalcaraz@ggusd.us
Haley Gonzalez Nurse hgonzalez@ggusd.us
Jayden Galloway Health Office Assistant jgalloway@ggusd.us
Jessica Reynoso Spanish Community Liaison jreynoso@ggusd.us
Amy Nguyen Vietnamese Community Liaison tnguyen73@ggusd.us
Vanessa Soria Spanish Community Liaison vsoria@ggusd.us
Teachers
Stephanie Arce Math Teacher sarce@ggusd.us
Stephen Cicon Physical Education Teacher scicon@ggusd.us
Lisa Elliott History/STEAM Teacher lelliott@ggusd.us
Claudia Galvez English/English Language Development Teacher cgalvez@ggusd.us
Cary Hazel History Teacher chazel@ggusd.us
Barrilyn Kaa English/AVID Teacher bkaa@ggusd.us
Susan Kincaide Math/Vietnamese Teacher skincaide@ggusd.us
Troy Kummer Science Teacher tkummer@ggusd.us
Sydnie Le Physical Science Teacher sle@ggusd.us
Trinity Mathis English Teacher tmathis@ggusd.us
Kim McMullen English Teacher kmcmullen@ggusd.us
Carl Siersma Special Education Teacher csiersma@ggusd.us
Joi Stewart Physical Education Teacher jstewart2@ggusd.us
Jessica Sundara-Lindsey Special Education Teacher jsundara@ggusd.us
Jennifer Tran Math Teacher jtran1@ggusd.us
David Van Hoorebeke Special Education Teacher dvanhoorebeke@ggusd.us
Hau Vo History Teacher hvo@ggusd.us
Julius Tran Math/Science Teacher jtran14@ggusd.us
Alexander Cheng English Teacher acheng@ggusd.us
Maira Yepez Math/History Teacher myepez@ggusd.us
David Vickers Adapted Physical Education dvickers@ggusd.us

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