Meet Our Faculty
Our teachers challenge, encourage, and care for all students, helping them to perform to their maximum potential.
Principal
Sharon Broderick
PRINCIPAL
J.D. Santa Clara University School of Law
B.S. Biology and Political Science, Grove City College
Joined GVCA: 2011
Read: A Letter from Our Principal
Kindergarten
Jenny Killeen
PharmD, Pharmacy, University of the Pacific
Joined GVCA: 2016
Melissa Buddingh
M.A. Education, CSU Sacramento
B.A. English, UC Davis
Multiple Subject Teaching Credential, CSU Sacramento
Joined GVCA: 2019
Carol Grensted
M.A. Education Psychology, UC Davis
B.A. Psychology, CSU San Francisco
Multiple Subject Teaching Credential, CSU Frenso
School Psychology Credential, UC Davis
Joined GVCA: 1998
Korri Kesling
B.A. Early Childhood Education, CSU Sacramento
Joined GVCA: 2025
Hannah Levering
B.S. Mechanical Engineering, UC San Diego
Joined GVCA: 2025
Toni Manderfield
B.S. Managerial Economics, UC Davis
Joined GVCA: 1998
Michelle Olsen
B.S. Environmental Horticulture, UC Davis
Joined GVCA: 2014
Megan Ransdell
M.A. Education, UC Davis
B.S. Mathematics, UC Davis
Single Subject Mathematics Teaching Credential, UC Davis
Joined GVCA: 2014
Melissa Shreve
Joined GVCA: 2016
1st Grade
Abigail Swickard
B.S. Communication Sciences and Disorders, CSU Sacramento
Joined GVCA: 2023
Juliana Au Young
B.S. Biological Sciences, California Polytechnic State University, San Luis Obispo
Joined GVCA: 2023
Molly Bravo
M.S. Biomedical Science, Kings College London, UK
B.S. Applied Biological Science, Manchester University, UK
Joined GVCA: 2008
Deborah Feil
B.A. Child Development, CSU Sacramento
Mulitple Subject Teaching Credential, CSU Sacramento
Joined GVCA: 2002
Catherine Harrington
M.S. Special Education, CSU Sacramento
B.S. Biological Sciences, UC Davis
Multiple Subject Teaching Credential, CSU Sacramento
Joined GVCA: 1998
Korri Kesling
B.A. Early Childhood Education, CSU Sacramento
Joined GVCA: 2025
Samantha Ramalingam
B.S. Managerial Economics, UC Davis
Joined GVCA: 2022
Melissa Shreve
Joined GVCA: 2016
Rebecca Wetherbee
B.S. Biology, University of the Pacific
Joined GVCA: 2024
2nd Grade
Deborah Thompson
B.S. Animal Science, UC Davis
Joined GVCA: 1998
Beth Benning
B.A. Art History, UC Davis
Multiple Subject Teaching Credential, CSU Sacramento
Joined GVCA: 1998
Sarah Bimson
Joined GVCA: 2001
Amanda Jimenez
B.S. Nursing, CSU Sacramento
B.S. Exercise Biology, UC Davis
Joined GVCA: 2020
Lorraine Smith
Joined GVCA: 1998
Carlene Tauzer
Doctorate of Physical Therapy, University of the Pacific
B.S. Animal Science, UC Davis
Joined GVCA: 2017
Tracey Valadez
B.A. American Sign Language & Deaf Studies, CSU Sacramento
Joined GVCA: 2016
Rebecca Wetherbee
B.S. Biology, University of the Pacific
Joined GVCA: 2024
3rd Grade
Cathie Smith
B.A. Liberal Studies, Azusa Pacific University
Multiple Subject Teaching Credential, Azusa Pacific University
Joined GVCA: 1998
Erin Bonetti
B.S. Chemical Engineering, UC Davis
Joined GVCA: 2023
Nathalie Faber
M.S. Animal Science, UC Davis
B.S. Veterinary Medicine, UFMG Brazil
Joined GVCA: 1998
Aimee Farver
B.S. Nutrition Science, UC Davis
Joined GVCA: 2021
Nicole Hensley
B.S. Plant Biotechnology, UC Davis
Joined GVCA: 2022
Angela Hill
B.S. Exercise Biology, UC Davis
Multiple Subject Teaching Credential, CSU Sacramento
Joined GVCA: 2020
Meredith Hill
M.S. Communication Sciences and Disorders, CSU Sacramento
B.S. Communication Sciences and Disorders, CSU Sacramento
Joined GVCA: 2022
Michelle Olsen
B.S. Environmental Horticulture, UC Davis
Joined GVCA: 2014
4th Grade
Sarah Trombly
M.A. English Literature, CSU Sacramento
B.A. English, UC Davis
Joined GVCA: 2013
Kathy Grant
B.S. Design, UC Davis
Joined GVCA: 2021
Alyssa Kesling
Family Nurse Practitioner and Physician Assistant Program, UC Davis
B.S. Neurobiology, Physiology & Behavior, UC Davis
Joined GVCA: 2016
Rachel Phong
M.S. Nutrition Communication, Tufts University
B.S. Clinical Nutrition, UC Davis
Joined GVCA: 2022
Megan Ransdell
M.A. Education, UC Davis
B.S. Mathematics, UC Davis
Single Subject Mathematics Teaching Credential, UC Davis
Joined GVCA: 2014
Mary Youtsey
M.A. Education, CSU Sacramento
B.S. Managerial Economics, UC Davis
Joined GVCA: 2019
5th Grade
Jenny Nakamura
B.A. Communications, UC Davis
Joined GVCA: 1999
Maya Bodine
B. S. Business Administration, CSU Sacramento
Joined GVCA: 2005
Martha Haynam
Joined GVCA: 1998
Amy Losson
B.A. Biology, CSU Northridge
Clinical Laboratory Scientist License
Joined GVCA: 2020
Brittany Spencer
B.A. Political Science, UC Davis
Joined GVCA: 2013
Liya Stephanian
Masters in Public Health and Physician Assistant Certificate, UC Davis
B.S. Exercise Biology, UC Davis
Joined GVCA: 2016
Rebecca Wetherbee
B.S. Biology, University of the Pacific
Joined GVCA: 2024
6th Grade
Laura Washabaugh
B.S. Microbiology, UC Davis
Clinical Laboratory Scientist License
Joined GVCA: 2011
Cathy Cloughesy
B.S. Environmental Design
Joined GVCA: 1998
Ashley Contreras
B.A. English, CSU Sacramento
Joined GVCA: 2016
Amy Finnegan
B.S. Viticulture & Enology, UC Davis
Multiple Subject and Single Subject Mathematics Teaching Credential, CSU San Francisco
Joined GVCA: 2012
Sarah Grensted
B.S. Business, Accountancy, CSU Sacramento
Certified Public Accountant
Joined GVCA: 2024
Keturah Kitano
M.A. Linguistics, UC Davis
B.A. Spanish, UC Davis
Multiple Subject Teaching Credential, UC Davis
Joined GVCA: 2018
7th Grade
Ruth Perry
B.A. English
Multiple Subject and Single Subject English Teaching Credential, UC Davis
Joined GVCA: 1999
Sarah Contreras
B.S. Human Development, UC Davis
Multiple Subject Teaching Credential, UC Davis
Joined GVCA: 1998
David Haynam
M.A. Education - Curriculum & Instruction, CSU Sacramento
B.S. Animal Science, UC Davis
Single Subject Life Science and Agriculture Teaching Credential, UC Davis
Joined GVCA: 2003
Bethany Haynam
B.S. Nursing, CSU Sacramento
Joined GVCA: 2020
Keturah Kitano
M.A. Linguistics, UC Davis
B.A. Spanish, UC Davis
Multiple Subject Teaching Credential, UC Davis
Joined GVCA: 2018
Gary McHolland
B.A. Mathematics, CSU Sacramento
Joined GVCA: 2005
Rachel Phong
M.S. Nutrition Communication, Tufts University
B.S. Clinical Nutrition, UC Davis
Joined GVCA: 2022
Marc Roby
M.S. Nursing Administration, UCSF
B.S. Biological Sciences, UC Davis
Registered Nurse
Joined GVCA: 2006
Rafael Soler
M.S. Educational Leadership, Saint Mary's College of California
B.A. History, UC Davis
Multiple Subject Teaching Credential, CSU Sacramento
Joined GVCA: 2019
Frank Thomsen
M.A. German Literature, UC Davis
B.A. German Literature, UC Berkeley
Single Subject English and German Teaching Credential, CSU Sacramento
Joined GVCA: 2022
Laura Umberger
M.B.A. Finance & Management, UC Davis
B.A. Economics & Communications, UC Davis
Joined GVCA: 2019
8th Grade
Britta Morejohn
M.S. Nutrition, UC Davis
B.S. Biological Sciences, UC Davis
Multiple Subject Teaching Credential, UC Davis and CSU Sacramento
Joined GVCA: 2005
Hanan Andrianarivo
M.S. Applied Math, UC Davis
B.S. Math, University of Memphis
Joined GVCA: 2014
Marie Barruel
B.A History & Spanish, UC Davis
Multiple Subject Teaching Credential, CSU Sacramento
Joined GVCA: 2006
Claire Blizard
B. A. Liberal Studies,
Multiple Subject Teaching Credential, CSU Sacramento
Joined GVCA: 1998
Carole Buddingh’
B.A. Linguistics, UC Davis
Multiple Subject Teaching Credential, CSU Sacramento
Joined GVCA: 1998
Lisa Case
Doctor of Veterinary Medicine, UC Davis
B.A. Journalism, CSU Chico
B.S. Biology, CSU Chico
Joined GVCA: 1998
Sarah Contreras
B.S. Human Development, UC Davis
Multiple Subject Teaching Credential, UC Davis
Joined GVCA: 1998
Eric Dyer
M.A. Education, CSU Sacramento
B.S. Agriculture Education, UC Davis
Single Subject Agriculture Education and Industrial Technology Teaching Credential, UC Davis
Joined GVCA: 2024
Marc Roby
M.S. Nursing Administration, UCSF
B.S. Biological Sciences, UC Davis
Registered Nurse
Joined GVCA: 2006
Rafael Soler
M.S. Educational Leadership, Saint Mary's College of California
B.A. History, UC Davis
Multiple Subject Teaching Credential, CSU Sacramento
Joined GVCA: 2019
Frank Thomsen
M.A. German Literature, UC Davis
B.A. German Literature, UC Berkeley
Single Subject English and German Teaching Credential, CSU Sacramento
Joined GVCA: 2022
High School
Marie Barruel
B.A History & Spanish, UC Davis
Multiple Subject Teaching Credential, CSU Sacramento
Joined GVCA: 2006
Scott Grensted
M.A. Education - Curriculum & Instruction, CSU Sacramento
B.S. Zoology, UC Davis
Single Subject Life Science and Mathematics Teaching Credential, CSU Sacramento
Joined GVCA: 1998
Bethany Haynam
B.S. Nursing, CSU Sacramento
Joined GVCA: 2020
Steve Jackura
B.A. Criminal Justice, CSU Sacramento
Joined GVCA: 2021
Julia Jha
B.A. Biological Sciences, CSU Sacramento
Single Subject Biology, Chemistry and Physics Teaching Credential, CSU Sacramento
Joined GVCA: 2016
Gina Johnson
B.A. Drama, CSU Sacramento
Single Subject English Teaching Credential, CSU Sacramento
Joined GVCA: 1998
Jim Johnson
M.S. Ecology, UC Davis
B.S. Wildlife & Fisheries Biology, UC Davis
Single Subject Life Science, Mathematics and Chemistry Teaching Credential, UC Davis
Joined GVCA: 2018
Ashley Lewis
M.S. Counseling, Emphasis in Career Counseling, CSU Sacramento
B.S. Human Development, UC Davis
Joined GVCA: 2015
Allison Lima
B.S. Genetics, UC Davis
Joined GVCA: 2019
Marc Roby
M.S. Nursing Administration, UCSF
B.S. Biological Sciences, UC Davis
Registered Nurse
Joined GVCA: 2006
Angela Spencer
PharmD, Pharmacy, University of the Pacific
Joined GVCA: 2023
Frank Thomsen
M.A. German Literature, UC Davis
B.A. German Literature, UC Berkeley
Single Subject English and German Teaching Credential, CSU Sacramento
Joined GVCA: 2022
Laura Umberger
M.B.A. Finance & Management, UC Davis
B.A. Economics & Communications, UC Davis
Joined GVCA: 2019
David Valadez
B.S. Business Administration, CSU Chico
Joined GVCA: 2024
Staff
Lidiya Byron
B.A. English, UC Davis
Joined GVCA: 2011
Andrea Killeen
B.A. Spanish, CSU Sacramento
Joined GVCA: 2005
Kara Ishii
M.S.W. Community Development, Planning & Administration, CSU Sacramento
B.S. Human Development, UC Davis
Joined GVCA: 2000
Michael Ishii
M.A. English, UC Davis
B.A. English, Willamette University
Joined GVCA: 2000
Paul Raski
B.S. Business Administration, CSU Sacramento
Joined GVCA: 2011
Paula Yang
B.S. Nursing, University of Montana
B.A. Child Development, CSU Stanislaus
Joined GVCA: 2025