TES Super Seminar videos on the Kingdom of God are now posted LISTEN HERE


Deacons are the servant layer of leadership in the church. They are qualified men (1 Tim 3:8-13) serving the church to meet a specific task in order to free the elders to devote themselves to prayer and the ministry of the Word (Acts 6:4). The following are the deacons, the servant leadership, of Grace Bible Church.

Dave Bower

Benevolence & Church Finances


Dave Bower is deacon serving over the areas of benevolence and church finances.

Bobby Casillas

Equipping Hour


Bobby was born and raised in Mesa, AZ.  The Lord graciously granted him repentance in 1999. In December of 2008 Bobby found his beloved home at GBC.  During that same year he met his treasured wife Allie, whom he married in 2010.  In 2014 he began to serve in the newly formed Equipping Hour ministry, which offers courses to the GBC body on various Biblical topics.  Bobby shares in the operational duties of Equipping Hour, a ministry dear to his heart because it is through the knowledge of the Lord that His saints grow in their ability to glorify Him.

Ben James

Next Generation Ministries (Infants - 2) & Smallgroup


Ben and his wife Melissa were raised in Southern California and met in high school at Grace Community Church in Sun Valley, CA. They were married in 2003 and moved to Arizona in 2007 for Ben’s job in the insurance industry and became members of Grace Bible Church the same year. Ben and Melissa have been serving in Next Generation Ministries since 2007 where Ben is currently deacon over the Infants and Toddlers ministry. Ben also serves as a smallgroup leader and is actively involved in various men’s ministries. In addition to NGM, Melissa also serves in the women’s Wellspring ministry and Frontlines. Ben and Melissa both attended The Master’s College where Ben received his degree in Christian Ministries Administration in 2003. He received his MBA from Arizona State University in 2012. They live in Chandler with their two daughters, Charis & Emma.

Vincent Lee

Next Generation Ministries (3 years - 5th Grade)


Born and raised in California, Vincent attended UCLA and earned his bachelor’s degree in Microbiology, Immunology, and Molecular Genetics. Vincent was saved by God’s grace in high school, but truly experienced major spiritual growth while attending John Macarthur’s church, Grace Community Church while in college. Upon graduation he moved to Arizona to pursue a Doctorate of Pharmacy from Midwestern University. It was in Phoenix where he met his future wife Laura. He has been attending Grace Bible Church since 2014 and has been serving as a deacon in NGM since April 2019.

Jeff Maxwell

BookTable & CoffeeTable & Smallgroup


Jeff oversees Student Ministries and an adult smallgroup. In directing Student Ministries, he is responsible for the preaching, discipleship, and direction of the ministry, which includes middle school and high school students. He leads a smallgroup that meets on Thursday’s in Tempe.

Jeff graduated with a Master of Divinity from Grace Bible Institute in May 2019, and is working to complete the same degree at The Expositors Seminary. He is greatly aided by his wife, Rebekah, in caring for students, leaders, and smallgroup participants. They currently have three kiddos with another on the way.

Michael Quihuiz

Equipping Hour & Smallgroup


Michael was born and raised in Phoenix, AZ. At age 19, while attending college, God saved Michael by showing him his sin and bringing him to a saving faith. He met his wife Karis while attending East Valley Bible Church Gilbert. They have three kids: Noah, Chloe and Cecilia. They started attending Grace Bible Church in 2011 and became members the same year. Michael serves as deacon serving in both Equipping Hour and Smallgroup ministries.

David Brittain

Next Generation Ministries (3 years - 5th Grade)


David Brittain has been a discple of Christ since November of 1986. Since moving to Tempe in 2013, David and his family have served in a variety of ministries at GBC and it is here in the ministry of Next Generation Ministries that his experience as a career teacher and coach is utilized as he labors alongside our fellow NGM servants. David enjoys serving others and growing as a disciple as well as helping to disciple others within the church body. He and his wife Erin both serve in our discipleship layer of ministries at GBC as smallgroup leaders and they are deeply involved and invested in their personal family life as well with 8 sons to shepherd by God’s grace.

Jeff Hantla



Jeff Hantla serves as a deacon of benevolence. His specific task is to assist and advise those with a need. He often helps individuals and families find means to meet physical needs as well as setting and meeting budgets; housing and financial difficulties are often discussed.  Working as a physical therapist for 35 years has prepared Jeff to help those with physical needs improve their strength and function as well as navigate the healthcare system. Drawing on his role providing for his family for 40 years, Jeff is skilled at encouraging husbands to find ways to care financially and physically for their family.

Jeff writes, “In going through life, we all should expect to experience times of suffering and trials, which are all designed by God to grow us in Christ. If this time of trial includes financial stress, I would love to meet with you and go over your budget with you to find out what needs changing or addressing and find ways the church can help you in this. The best way to contact me is by phone. Call or text: 480-406-9216.”

If you are contacting us for financial help and you are not a member of Grace Bible Church you will need to complete this form prior to discussing your need. Please note that the benevolence ministry’s primary focus is on providing material help and support for those within the church.

Steve Kovach



Steve and his wife Drew are natives to Arizona, they’ve been members of Grace Bible Church since 2012 and have four children.  Steve is a full time student at The Expositors Seminary and serves in the benevolence ministry as well as a deacon in the areas of smallgroup leadership and Student Ministries.

Jeremy Lehman

Logistics Coordination for Team PNG

jeremy@gbcaz.org — 602-663-1046

Jeremy and Lorie Lehman have three children, Greer, Belle and Knox. They serve as missionaries for Grace Bible Church.  They were both born in Northern California.  The two of them met around Christmas of 2002 and were married in 2004.  Having formerly lived in Anthem, AZ they eventually moved to Gilbert in January of 2010 and started attending Grace Bible Church.  On a Missions Sunday in June 2012 they heard about the need for Logistics Staff in Papua New Guinea.  After completing training they departed to the field with the Dodds and Canns in November of 2014.  They currently serve in Madang, Papua New Guinea. Jeremy can be reached via Facetime at narrowalk@gmail.com.

Omri Miles

BookTable & Smallgroup


Omri began attending Grace Bible Church in June 2008, four months after God saved him. Omri is privileged to oversee two ministries in our church: the BookTable and a smallgroup. He is a bibliophile who loves to help others discern extra-biblical resources. His responsibilities include recommending resources to the body each month. His smallgroup meets onsite every Tuesday night. He and his wife, Emily, live in Gilbert with their four children.

George Siegele

Facilities & Finance/Budget


Recent Blog Posts

December 8, 2019 Announcements

Grillout After the service, we will have a grillout in the warehouse. Please come if you are a visitor, regular attender, or member – there will be food and fellowship for everyone. Next week’s Equipping Hour class What Kind of Man is This? Reflections on the Diety of...

Music for December 8

Music Devotion by Josh Kellso John 1:14 "And the Word became flesh, and dwelt among us, and we saw His glory, glory as of the only begotten from the Father, full of grace and truth.”  It is truly wonderful that the Word would become flesh and dwell with us. His grace,...