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Administrative Staff
Sandra Yager

Sandra Yager

Superintendent
Sandra Yager, a native of Argentina, is a dynamic educator who has followed Jesus Christ throughout her life and declares Him her Lord and Savior. She received her degree as Professor of Mathematics from CONSUDEC in Argentina and moved to the United States at the young age of twenty-two, after marrying Mr. Yager, a Vancouver native.

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Bill Gibbons

Bill Gibbons

Cornerstone Capital Campaign Director
He was blessed to work with two United States presidents, congressional leaders, and governors to create high-­‐performing, low-­‐cost practices that advanced learning in low-­‐achieving students.

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Dawn Koenninger

Dawn Koenninger

Accountant
Dawn Koenninger is a financial and quantitative analysis expert who by measuring what matters and through bottom-up financial modeling has help to build start-up companies into multi-million dollar enterprises.

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Mike Hoff

Mike Hoff

Principal

Mike Hoff, the elementary principal, joined the Cornerstone Christian Academy administrative team in June, 2014.

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Tracy Stevens

Tracy Stevens

Director of Communications
Tracy joined the CCA team in 2012 as Director of Communications.

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Olivia Alexander

Olivia Alexander

Early Childhood Education (ECE) Director
Olivia began working with children in 2010 as a volunteer providing childcare at Vancouver Church and was quickly hired at Renovatus Church as a school age Bible teacher.

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Heather Schopp

Heather Schopp

Human Resources
Heather is excited to be working with CCA to help build and update our school from within.

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Brian Millett

Brian Millett

IT Manager
Brian has a background in computers, psychology and music. He has served in various capacities as a worship leader and IT worker for the past 20 years. He joined Cornerstone in 2014 to help manage the network infrastructure and other computer related things.

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Rondy Thurlow

Rondy Thurlow

International Student Program Director
Rondy knew from a young age that God had called her to minister to children.

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Kaelynn Mumley

Kaelynn Mumley

Director of Innovation
Kaelynn Mumley graduated from Western Washington University with her bachelor’s degree in Elementary Education along with a History major. She joined the team at Cornerstone Christian Academy back in 2013 and taught 4th and 5th grade for 5 years before moving into a Digital Learning Coach position.

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Natasha Allen

Natasha Allen

HR
Natasha moved to Vancouver in 2015 after spending 8 years on the Oregon Coast. Cornerstone came onto her radar as she searched for a school in the Vancouver area that would best support her kids needs.

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Karina Litvinov

Karina Litvinov

Bookkeeper
Karina has been with Cornerstone since 2017. After homeschooling her girls for 6 years, a friend shared about their wonderful experience with CCA and God provided an opportunity for Karina’s family to join.

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Darius Movafagian

Darius Movafagian

Technology Instructor / Director of IT
His favorite thing about teaching is helping students find their voice, gifts and the path that God has for them.

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