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William (Bill) Gause  Senior Pastor

Bill Gause came to Overbrook as senior pastor in 2012. He joined us after serving several congregations in South Carolina. He counts it a privilege to minister among us and share his gifts, experiences, and excitement for living out the Gospel of Jesus Christ in our community and world.

Mary Gause Associate Pastor

Mary joined the Overbrook staff as our transitional associate pastor in 2014. She joined us with ten years of experience as an Associate Pastor of Christian Education and five years as a Director of Christian Education and Youth Ministries. In addition to being ordained as a Teaching Elder, she is also a Certified Christian Educator in the PCUSA and has worked extensively with children, youth, college students, and adults.

Music Program

Sarah Shaffer – Director of Music

Sarah Shaffer received her BM from Capital University Conservatory of music with a concentration in instrumental music. She received her MA in music Education specializing in vocal music from The Ohio State University in 1988 and has post graduate studies in Vocal pedagogy from Ohio State completed in 1998. She teaches Vocal music in Westerville City schools and also teaches piano, voice and flute. She has served as head counselor at The Ohio State Flute Workshop. She has studied with Katherine Borst Jones on flute, Carol Marty on voice and sung with the Choral Union at Capital University.

James (Jim) Barron – Worship Band Leader

Tony Merry – Organist


Robyn Bally – Preschool Director

Robyn Bally joined Overbrook as the Director of Overbrook Preschool in 2011. She has a Bachelor’s Degree in Early Childhood Education from Cleveland State University and is an experienced Preschool Teacher and Administrator. She considers herself honored to be a part of the wonderful traditions and high standards that our preschool upholds.


The office email address for general correspondence is:

Beth Vaughn – Office Administrator

John Wyckoff – Business Manager

John joined the Overbrook staff in October 2008, and has been a member of the congregation for many years. He is a graduate of The Ohio State University. He worked at OCLC for during its formative years and then at CompuServe as it pioneered the on-line computer services that have evolved into the modern WWW. John’s primary responsibilities at Overbrook include accounts receivable and payable, as well as production of financial reports to help keep all areas of the church focused on acting within their budgets.


Mariah Shaffer – Director of Youth Ministry