Toggle View Diana DeFrance ’76

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Alumni and Special Events Manager


Work Phone: 510-881-4330 Profile Page: Diana DeFrance ’76

Employed Since: 2000

Hayward, CA

When I was a child, I wanted to be a: Teacher

Best Vacation Ever: Hawaii

Highlight of working at MCHS: 
Working with student government students on my first student fundraiser (2001) – they were amazing!

Toggle View Colin DeGuzman ’14

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Faith, Moreau Fellow, Student Activities

Profile Page: Colin DeGuzman ’14
Educational Background: St. Edward’s University, B.S. degree in Behavioral Neuroscience
Hometown: Hayward
When I was a child, I wanted to be: a surgeon
Best Vacation ever: Disneyland
Highlight of working at MCHS: Coming back to my alma mater and giving back to the place that has helped me build the foundation of who I am today.

Toggle View Angela Demmel

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Teacher, Dance Director, Department Chair

Visual and Performing Arts

Work Phone: (510) 881-4354 Profile Page: Angela Demmel

Employed Since: 1988

Educational Background:
 BA Theatre with Dance Option, CSU East Bay; MFA Performance and Choreography, Mills College

 Dublin, CA

When I was a child, I wanted to be a:
 Dancer and choreographer

Best Vacation Ever:
 Floating down the Nile in Egypt

Highlight of working at MCHS:
 I am blessed with the opportunity to watch young men and women transform into creative, independent thinkers.

Toggle View Morgan Derby

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Home Phone: 510-881-4103 Profile Page: Morgan Derby

Employed Since: 2018

Educational Background: Undergraduate: Macalester College – BA in English, BA in International Studies, Hispanic Studies Minor, and Human Rights & Humanitarianism Program Founding Student; Graduate School: Lesley University – Master of Education in Mindfulness-Based Education (transferable degree in applied neuroscience and psychology)
Hometown: Fairfax, Virginia (right outside Washington, D.C.)
When I was a child, I wanted to be: A veterinarian or conservationist, a professional dancer, a writer “to take care of people,” “to be paid to be a student,” an anthropologist, an astrophysicist… I’ve always been – and still am – curious about everything.
Best vacation ever: It’s an honest tie between Hawai’i (two weeks of relaxation and outdoor adventuring with my partner), touring the Arizona/Utah National Parks (two weeks in the Grand Canyon, Arches, Bryce, Zion, slot canyons, Monument Valley and more with my best friend and family), and Paris (in winter, alone, with a good book, good food, Christmas markets, and all the museums to myself).
Highlight of working at MCHS: The warm welcome. The ability to be open about and integrate the pursuit of love and wisdom into my teaching. However it makes me grow in the years to come.

Toggle View Theresa Doty ’78

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Work Phone: 510-881-4331 Profile Page: Theresa Doty ’78

Employed Since: 2008

Hometown: Union City, CA

When I was a child, I wanted to be a: Doctor

Best Vacation Ever: Went to Philadelphia with my daughter.

Highlight of working at MCHS: Working with our remarkable students. They are a joy to be around.

Toggle View Janina Engo ’17

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Campus Ministry Assistant


Home Phone: 510-881-4324 Profile Page: Janina Engo ’17

Toggle View Erica Escalante

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Administrative Assistant


Home Phone: 510-878-3845 Profile Page: Erica Escalante

Toggle View Stacey Ferreira ’86

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Counselor, Department Co-chair


Home Phone: 510-881-4360 Profile Page: Stacey Ferreira ’86

Employed Since: 2012

Educational Background: BA Sociology, CSU East Bay; MS Educational Psychology, CSU East Bay

Hometown: San Leandro, CA

When I was a child, I wanted to be a: Professional Roller Skater

Best Vacation Ever: Horseback riding in the foothills of Maui, Hawaii.

Highlight of working at MCHS: Watching my upperclassmen Saints and Scholars guide my 9th graders. I am so proud of who they are and how much they have grown.

Toggle View Colleen Galloway ’77

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Dean of Students


Work Phone: 510-881-4315 Profile Page: Colleen Galloway ’77

Employed Since: 2001

Class of ’77

Educational Background: BA Psychology and Anthropology, UC Berkeley ; Paralegal Certificate, CSU Hayward; MA Administration of Justice, San Jose State; Multiple Subject Teaching Credential, San Jose State

Hometown: Castro Valley, CA

When I was a child, I wanted to be a: Special Education Teacher

Best Vacation Ever: Family vacations every summer in Tahoe.

Highlights of working at MCHS:
(1) Returning to my alma mater and seeing the focus on Holy Cross charisms evidenced in the community, especially being family.

(2) Being on stage at the Paramount Theater to be the first to congratulate my son after he received his diploma in 2011.

(3) Coming with my daughter to the Honors at Acceptance Night.

(4) Having students come back to tell me they are majoring in Psychology because my class got them hooked.

(5) Students in my AP Government classes turning 18 and wanting to register to vote.

(6) Having a student explain a concept he was having trouble writing down and seeing the pride in his face when he was successful.

The list could go on and on – we have such an incredible community (faculty, staff, parents/guardians, students, alumni, supporters).

Toggle View Barbara Galvan

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Bus Driver

Site Services, Uncategorized

Profile Page: Barbara Galvan

Toggle View Dennis Garl

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Site Services

Profile Page: Dennis Garl

Employed Since: 1987

Pleasanton, CA

When I was a child, I wanted to be a: Engineer

Best Vacation Ever: 

Highlight of working at MCHS: Boys and Girls Basketball Championships and helping everyone.

Toggle View Robert Gatrell

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Teacher, Head Coach, Football, Department Chair

Athletics, Physical Education

Home Phone: 510-881-4131 Profile Page: Robert Gatrell

Employed Since: 2012

Educational Background: BA Art, Fresno State; MA Kinesiology, Sonoma State

Brentwood, CA

When I was a child, I wanted to be an: Athlete

Best Vacation Ever: 
Driving a Smart Car with another offensive lineman from Amsterdam to Paris

Highlight of working at MCHS: Helping students and athletes achieve success through hard work.

Toggle View Kerrie Gibson

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Teacher, Athletic Trainer, Department Chair

Athletics, Science

Work Phone: (510) 881-4337 Profile Page: Kerrie Gibson

Educational Background: BS Kinesiology, CSUS; MA in Education, National University

Hometown: Sacramento, CA

Best Vacation Ever: Trip to Italy

Toggle View Celia Gomez

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Site Services

Profile Page: Celia Gomez


Toggle View Luis Gonzales

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Modern Language

Home Phone: 510-881-4153 Profile Page: Luis Gonzales

Employed Since: 2001

Educational Background: BS Political Science, Law Degree, Lima, Perú Garcilaso De la Vega University; Teaching Credential, Dominican University; MA in Linguistics and Literature, San Jose State

Hometown: Lima, Perú

When I was a child, I wanted to be a: Bullfighter, soccer player or lawyer.

Best Vacation Ever: Playa del Carmen México: eating, swimming and sleeping.

Highlight of working at MCHS: Being a part of the Moreau Catholic family!

Toggle View Ben Greenbaum ’00

Photo of Ben Greenbaum ’00
Teacher, Coach – Cross Country/Track & Field

Athletics, Theology

Work Phone: 510-881-4324 Profile Page: Ben Greenbaum ’00

Employed Since: 2012

Class of ’00

Educational Background: BA History and Jewish Studies, University of California, Davis; MA History, University of Nevada, Reno; MA Education, University of San Francisco; Oakland Diocese Master Catechist

Hometown: Hayward, CA

When I was a child, I wanted to be a: Police Officer

Best Vacation Ever: Relaxing in Hawaii

Highlight of working at MCHS: 
Getting to know students on a personal level…and of course coaching!

Toggle View Katie Greenbaum ’08

Photo of Katie Greenbaum ’08
Teacher, Asst. Coach – Cross Country, Department Chair


Home Phone: 510-881-4169 Profile Page: Katie Greenbaum ’08

Employed Since: 2014

Class of ’08

Educational Background: BS Secondary Education and Mathematics, University of Portland

Hometown: Hayward, CA

When I was a child, I wanted to be a: Basketball Player

Best Vacation Ever: Going to the Philippines (especially Boracay)

Highlight of working at MCHS: Being able to work with our students both as a teacher and a coach.