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Personnel

Richard Batista

Headmaster

Education:

  • B.S., Finance from CSUS

Experience:

  • Board Member since 1995
  • Headmaster since 2009

Bilingual: Portuguese and English


Cathy Andrews

Head of Student Services, Teacher

Education:

  • B.A., Liberal Studies with English Concentration from CSUS, Summa Cum Laude
  • ACSI Multiple Subject Certificate

Experience:

  • At CCS since 1999
  • Taught homeschool for 12 years

Ana Bofinger

Classroom Aide, Typing and Coding Teacher

Experience:

  • CCS Alumna
  • Student Tutor and Bible Group Leader
  • CCS High School Vice President

Karin Bourquin

Kindergarten Homeroom Teacher

Education:

  • B.S., Child Psychology and Music from Missouri Western State College

Experience:

  • At CCS since 2019
  • Child Development Laboratory Teacher at Arizona State University, 1990-2000
  • Behavior Specialist at Applied Behavior Consultants, 2001-2003
  • Children Ministries Director at church, 2009-2014

Martha Bryant

Classroom Aide

Education:

  • B.A., Social Work from Murray State University

Experience:

  • Retired HR Director for the U.S. Attorney’s Office
  • Associated with CCS since 2012

Victoria Chepurnoy

Administrative Assistant, Receptionist

Education:

  • A.S., Medical Assisting
  • Coursework in Microsoft Office Suite

Experience:

  • Medical Assistant
  • Home School Educator
  • Event Coordinator

Bilingual: Russian and English


Iljin Cho

Jr. and Sr. High Teacher

Education:

  • B.S., Molecular Environmental Biology from UC Berkeley
  • Master of Divinity, Trinity Evangelical Divinity School, Summa Cum Laude

Experience:

  • Pastor at Faith Bible Church
  • At CCS since 2021
  • Taught high school math for 2 years
  • Tutored Biblical Hebrew for 2 years

Bilingual: Korean and English
Also competent in reading Biblical Greek, Hebrew, and Aramaic


Rachel Clark

Elementary P.E., Playground Supervisor

Education:

  • A.A. in process

Experience:

  • CCS Alumna
  • CCS Classroom Aide for one year
  • Serves at her home church

Anthony Dials

4th Grade Homeroom Teacher

Education:

  • Air Force Associates Degree

Experience:

  • United States Airforce Technical Sergeant and Munitions Supervisor
  • Multiple medals
  • Trained and supervised individuals and teams

Cayla Elliott

1st Grade Homeroom Teacher

Education:

  • Valedictorian from Cornerstone Christian High School
  • A.A., Early Childhood Education from American River College
  • A.S., General Science from American River College
  • B.A., Child and Adolescent Development focused in Elementary Education from CSUS, Cum Laude

Experience:

  • CCS Alumna
  • At CCS since 2019

Tracey Elliott

Classroom Aide

Education:

  • B.A., English/Communications with a Minor in Christian Studies from Simpson University
  • ACSI Certified Teacher K-8

Experience:

  • Taught 6 years prior to CCS
  • At CCS since 2012

David Farschman

Information Systems Manager

Education:

  • B.S., Mathematics from UC Davis
  • M.S., Applied Mathematics from UC Davis

Experience:

  • 3 years Applications Developer
  • Business Systems Analyst, 1998 to the present
  • Mathematics Instructor, 2004 to the present
  • Information Systems Manager at CCS since 2003

Tim French

High School Teacher, Choir and Praise Band Director

Education:

  • B.S., Biology with Chemistry Minor from Bob Jones University
  • M.S., Mathematical Sciences from University of West Florida with a 4.0 GPA

Experience:

  • At CCS since 2005
  • Over 19 years of teaching experience

Cindi Garrisi

Classroom Aide, H.S. Teacher

Education:

  • B.A., English and Communication Studies from Westmont College, Cum Laude

Experience:

  • Associated with CCS since 2013 as a parent and Helping Hand Volunteer
  • Substitute teacher prior to CCS

Susie Greenhouse

Office Manager and Bookkeeper

Experience:

  • Associated with CCS since 1997
  • At CCS since 2003

Emily Guydyk

5th Grade Homeroom Teacher

Education:

  • A.A., English, Liberal Arts, and Humanities from Sierra College
  • B.A., Medieval and Modern Studies, UC Davis

Experience:

  • CCS Alumna
  • Multiple years in tutoring ESL students at the elementary, high school, and college levels
  • Taught 6th-8th grade Math prior to CCS

Melissa Keller

Art Teacher

Education:

  • B.A., Fine Art from College of Charleston, South Carolina

Experience:

  • 10 years in graphic design
  • Associated with CCS since 2014 as a parent and Helping Hand Volunteer
  • Taught homeschool for 4 years

Trinity Keller

Classroom Aide

Experience:

  • CCS Alumna
  • Bible Group Leader
  • CCS High School President

Ana King

High School Spanish Teacher, Teacher Aide

Education:

  • B.A., Education from la Universidad del Caribe, Santo Domingo, Dominican Republic

Experience:

  • Elementary Teacher
  • Spanish Teacher for 12 years
  • Taught homeschool

Bilingual: Spanish and English


Jared Lee

6th Grade Homeroom Teacher

Education:

  • A.A., Liberal Arts and Humanities, Behavioral Sciences, Social Sciences, and Film and Media Studies
  • B.A., Theology from William Jessup University

Experience:

  • English Tutor
  • Student Ministries Director
  • Editor

Barbara Leigh

Classroom Aide

Education:

  • A.A., Intercultural Studies
  • B.S., Psychology from CSUS, Summa Cum Laude

Experience:

  • 11 years of teaching experience
  • Taught homeschool for 14 years

Rebekah Leiplein

Yearbook Advisor, Drama Aide, Marketing and Communications

Education:

  • A.S., Recreation Management from Sierra College, Honors
  • B.S., Recreation, Hospitality, and Parks Management from CSU Chico

Experience:

  • CCS Alumna
  • Event Planner/Coordinator
  • Sunday School Director
  • Over 12 years of theater training

Sharon Lowery

Admissions Director

Education:

  • B.A., Political Science with a History Minor from Whittier College, Cum Laude
  • Executive Fellowship, Capital Fellows Program at CSUS, 1997/98

Experience:

  • Taught homeschool for 14 years
  • CCS family since 2009

Rene Markey

3rd Grade Homeroom Teacher

Education:

  • B.A., Liberal Studies with English Supplement from CSUS

Experience:

  • 20 years working with children in church ministry
  • Substitute teacher
  • At CCS since 2018

Diana Petrash

Classroom Aide, BASS Supervisor

Education:

  • A.A., Social Sciences from American River College
  • Currently enrolled in CSUS
  • Future goal is to become an Educator

Experience:

  • At CCS since 2021
  • Serves in Teen Ministry at her home church

Joan Pollard

8th Grade Homeroom Teacher

Education:

  • B.A., Elementary Education from Western Baptist Bible College

Experience:

  • 14 years teaching experience in Christian education prior to CCS
  • At CCS since 2011

Heather Reeves

2nd Grade Homeroom Teacher

Education:

  • B.A., Liberal Studies with a History Minor from the Master’s University
  • CA Multiple Subject Teaching Credential

Experience:

  • Taught outside CCS for 4 years
  • At CCS for over 20 years

Bella Serban

Hot Lunch Coordinator

Experience:

  • 10 years serving in children’s ministry at home church
  • CCS family since 2020

Anna Silchuk

Elementary Music Teacher

Education:

  • B.A., Music – Violin from University of the Pacific Conservatory of Music

Experience:

  • Lake Tahoe Music Festival
  • Placer Pops Chorale and Orchestra (First Chair)
  • Slavic Chorale and Orchestra
  • Multiple Church Worship Teams
  • Private Business: Silchuk Violin Studio
Bilingual: Ukrainian and English

Mary Lee Sonke

H.S. Counselor, Librarian, Book It Coordinator

Education:

  • B.A., Elementary Education from Covenant College
  • M.Ed., Integrated Curriculum and Instruction from Covenant College

Experience:

  • Developed curriculum for elementary history and literature
  • 7 years combined teaching experience in Christian education and homeschooling
  • Associated with Cornerstone since 2011 as a parent and Helping Hand Volunteer

Greg Uttinger

H.S. Teacher, Bible Oversight, Drama Director

Education:

  • A.A., Physics & Philosophy from Shasta College
  • B.A., Secondary Education- Physics & Mathematics from Dordt College

Experience:

  • Over 30 years of teaching experience in Christian education
  • At CCS since 1995

Hayley Uttinger

Elementary, J.H, and H.S. Teacher

Education:

  • Valedictorian from Cornerstone Christian High School
  • A.S., Social and Behavioral Sciences from Sierra College
  • B.S., Communication Sciences and Disorders from CSUS, Summa Cum Laude

Experience:

  • CCS Alumna
  • Cornerstone teacher for two years
  • Barton Tutor (dyslexia) for two years
  • Behavioral Therapist for Autistic Children
  • Sunday School and VBS Teacher

Kate Uttinger

7th Grade Homeroom Teacher

Education:

  • A.A., Liberal Studies from Sierra College
  • B.A., English from CSUS, Summa Cum Laude

Experience:

  • In Christian education since 1995
  • Staff writer for Leben magazine

Rachel Voytek

H.S. Administration

Education:

  • Valedictorian from Cornerstone Christian High School
  • B.A., Political Science and French from Grove City College, Summa Cum Laude
  • M.A., Government with a Certification in Mid-East Politics, Regent University with a 4.0 GPA

Experience:

  • CCS Alumna
  • Teaching at CCS since 2012
  • 5 years in graphic design and marketing

Delinda Winter

TK Aide

Education:

  • College of the Sequoias, 1 year

Experience:

  • 12 ECE units from Los Rios Community College
  • 40 years working with children in church nurseries, preschools, and children’s ministries
  • At CCS since 2017

Erin Winter

TK Homeroom Teacher

Education:

  • B.A., Child Development and Theatre Arts Minor from CSUS

Experience:

  • Over 15 years working with preschool age children
  • At CCS since 2013

Douglas Broomell

Board Member

Douglas and his family have been a part of the Cornerstone family since 2005. Douglas joined the CCS Executive Board in 2011. He obtained his law license in 1995. Douglas and his wife, Colleen, are self-employed, practicing attorneys with four children attending Cornerstone.


Ray Greenhouse

Chairman of the Board

Ray and his family have been a part of Cornerstone Christian School (CCS) since 1997, and he joined the CCS Executive Board in 2005. He holds a Bachelor’s degree in Business Administration from California State University, Fresno, and is presently the Director over the Information Technology Customer Services and Support organization for the California State Teachers’ Retirement System. He enjoys reading and sports but is mostly interested in fostering Christian leadership among Christian men, young and old. Ray and his wife Susie have four children, and reside in Rocklin.


Josh Keller

Board Member

Josh Keller joined the Executive Board in December of 2020. Josh has been a Sales Executive in the health insurance industry for over 15 years. Josh has 3 children who have attended school at Cornerstone for the last 6 years. His lovely wife Melissa is also active in the Cornerstone School community as the High School and Junior High Art teacher. Josh enjoys CrossFit and Soccer in his spare time, but more importantly, loves and enjoys the company of his family. The Keller’s have been members of Veritas Church in Roseville for over 9 years. Josh wants to live fully in the joy of Christ and share that joy with others.


Steven Meister

Board Member

Steve Meister joined the Executive Board in July of 2022. A pastor with 15 years of experience, Steve serves Immanuel Baptist Church in preaching, theological education, and leadership training. A Christian since 1994, Steve earned his M.Div. from The Master’s Seminary and worked for Children’s Hunger Fund, where he developed a curriculum to train church leaders in a biblical theology of compassion ministry.

Along with pastoral ministry, Steve also serves as a board member of Bible Translation Fellowship.  He and his wife Jenn have been married for 20 years and have 4 children that have attended CCS since 2019.


Daniel Sonke

Board Member

Dr. Dan Sonke grew up in a Christian home and church near Modesto, California. His family moved to his grandparents’ almond farm in elementary school. After college, Dan went to work for a Christian mission organization working in agriculture. During this time, through the faithful preaching of a local church, he found himself embracing the teaching of the doctrines of grace. Shortly thereafter, Dan met his wife Mary Lee through a mutual friend who played “matchmaker.” They now have four children who have attended Cornerstone, with the oldest having graduated in 2019. Dan has a doctorate in agriculture science and is an expert in environmental issues related to agriculture. In his spare time, Dan likes gardening, travel, and reading.