Our Leadership

All believers in Jesus make up “the church,” but God has also called leaders to serve His church with loving care. We have three categories of leaders: pastors (teaching elders), “shepherding” or “ruling” elders, and deacons. Our pastor serves primarily in preaching, teaching, and leading worship; our elders serve in giving spiritual guidance and oversight; and our deacons serve in caring for mercy needs in the church.


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Robbie Crouse

Robbie graduated with an M.Div from Beeson Divinity School in Birmingham, AL, and a Ph.D. in Theology from Wheaton College. He has been ministering in the PCA since 2014 and began serving Cornerstone in 2017. He also serves as Assistant Professor of Systematic Theology at Knox Theological Seminary in Ft. Lauderdale. He is married to Becky, and they have one daughter.

Shepherding Elders

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Lee Branscome

Lee is a founding elder of Cornerstone, and the first Cornerstone worship service met in his home. Lee often teaches and preaches at Cornerstone. He owns his own business in weather consulting. He is married to Joycelyn, and they have one daughter.

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Rev. Gary Butler

Gary is an ordained minister and also a chaplain, counselor, and Bible teacher at The King's Academy in West Palm Beach, where he has served since 1998. Gary graduated from Dallas Theological Seminary with a Masters in Theology, and he often preaches in local churches. He is married to Betty, and they have three children.

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Jim Zetler

Jim retired from his owning his own business and now serves as a “snow bird” at Cornerstone, spending the summer months at his farm in Iowa and the winter in South Florida. He is a founding elder of Cornerstone Church. He has been married to Pat since 1959, and they have one daughter and two grandchildren.



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Tom Joseph

Tom retired to South Florida from working in the insurance business in Dallas and Houston. He has been a deacon for ten years and chairman of the diaconate for six years. He is married to Sandi, and they have two sons and eight grandchildren.

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Brian Mumme

Brian works an engineer and project manager for a mechanical contractor and leads Sunday School each week at Cornerstone. He is currently enrolled in Whitefield Theological Seminary, where he is pursuing a Th.M. in Reformed Theology and Biblical Languages. He is married to Diana, and they have four children.

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Barry Pitts

Barry works as a mechanical engineer and is a founding member of Cornerstone in 1994. He has served as a deacon for ten years and has led in neighborhood evangelism and an outreach ministry at a local nursing home (Heartland Rehabilitation Center). He is married to Melanie, and they have two adult children.