Staff and Elders

Greg Johnson

Lead
Pastor

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Growing up in Ethiopia as the son of missionary parents, Greg developed his commitment to Christ, his passion for the church, and his heart for people that have propelled him through a lifetime of Christian ministry.

Greg and his wife, Becky, raised their two daughters, planted churches, developed leaders, and led community development and famine-relief projects among the Maasai tribe of Kenya (1978-1997). As Director of Marketplace Ministries for CMFI (1997-2002), Greg developed partnerships, strategies, and teams to get Christian workers into places not open to traditional mission methods.

From 2002–2017, Greg served as Lead Pastor of Generations Christian Church in Trinity Florida. Just like in his missions career, Greg continued to connect people to Christ through multi-site worship services, community transformation, and global outreach.

Greg is a relational and visionary leader – always caring about people and always seeking to advance the kingdom of Christ – across the street and around the globe!

Jeff Blackford

executive
pastor

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Jeff joined the Antioch staff in 2012. He and his wife, Robin, have three boys, Keaton, Kade, and Seth. Jeff has undergraduate degrees in Marketing and Business Administration. He also earned his Masters Degree from Lincoln Christian University. In his free time Jeff enjoys following his kids activities, attending sporting events, and spending time in the outdoors with his family.

Mark McCoy

discipleship
pastor

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Mark joined the Antioch staff in 2015. He and his wife Erica have five children.

Mark received a Bachelor of Theology and a Bachelor of Biblical Literature from Ozark Christian College and a Master’s Degree in Leadership Studies from Cincinnati Christian University.

Mark loves listening to people’s stories and walking with them as they form the life-giving community Jesus continues to create!

Chris Thomas

Outreach
pastor

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After living for 33 years in the mountains, Chris decided to give flat land a shot and joined Antioch’s staff in August 2016.

He and his wife Liz have one daughter, Emerson. He earned a BS in Preaching and Bible from Kentucky Christian University and was awarded an MA in Theology from Pittsburgh Theological Seminary.

Chris spends his free time reading (a lot), trying to get caught up on laundry and never succeeding, listening to podcasts, discovering new music, and trying to find his new favorite food.

His mission here at Antioch is to help people become connected with an awesome church, encounter Jesus in a life-changing way, and forge a legacy of love and faith in their lives.

Luke McCoy

worship
pastor

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After graduating from Ozark Christian College and interning at Southeast Christian Church in Louisville, Kentucky, Luke and his wife Audrey moved to Marion in 2006. They have four children—Corban, Abigail, Moriah and Eden. Luke received his Master of Arts degree in Worship Studies from Lincoln Christian University in 2013. He enjoys playing his guitar, hunting, fishing, camping, playing with his kids and spending time with Audrey. Luke feels his mission would be complete if he could inspire people to live lives of worship!

Evan Osgood

YOUTH PASTOR

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Evan joined the Antioch staff in 2014. He and his wife Katie have two boys, Jedidiah and Kayden. Evan has a undergraduate degree in Biblical Literature with emphasis in youth ministry and family ministry from Ozark Christian College. Evan has been serving in youth ministry for over 20 years. In his free time Evan enjoys hanging with his family, hunting, running, cycling, and anything outdoors.

Hannah Seitz

YOUTH MINISTRY ASSOCIATE

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Hannah grew up at Antioch, graduated from Ozark Christian College with a degree in Family Ministry, and joined Antioch’s staff in August 2017. She is excited to be a part of this incredible team, is passionate about working with students, and is excited to get to know yours!

Gail Seitz

Early Childhood
DIRECTOR

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Gail and her husband, Dr. John Seitz (deceased 2019), began serving at Antioch Christian Church in 2000. Together, they served 29 years together in ministry. John and Gail have three daughters, one son, and one son-in-law. Gail holds an Associate’s Degree in Christian Education from Ozark Christian College and a Bachelor of Science in Elementary Education from Missouri Southern State University. She officially joined the Antioch staff in 2015 as the Early Childhood Coordinator. Gail is looking forward to new hobbies once the homeschooling journey with her youngest is finished at graduation in May!

Adam Graunke

oelwein campus
pastor

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Adam joined the Antioch staff in 2018. He and his wife, Heidi, have three children. Adam received a Bachelor of Theology from Ozark Christian College and a Master of Divinity from Cincinnati Christian University. He has served in youth ministry, preaching ministry, and two years of missionary work in India. He enjoys spending time with his family, reading, and watching football.

Aaron Payne

Technical Arts
Director

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Aaron joined the staff in June of 2019. He and his wife Joanna have one son, Luke. Aaron graduated from Ozark Christian College with a degree in Music and Worship. He enjoys spending time with his family, playing guitar, board games, and disc golf.

Fran Guillaume

campus facilities MANAGER

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Fran joined the staff in May of 2014 after serving in a volunteer role for three years. He has been working with live stage productions for over 35 years and been in managerial roles for over 25. He is impassioned that God has given him the opportunity to use that experience to support the ministries of Antioch. Fran has been married to his wife Cherie for over 35 years and they have four children and two grandchildren. Fran and his wife Cherie also own the Skillet Cafe restaurant in Mount Vernon which Cherie now operates. In his spare time he loves to still cook and get out camping in the RV!

Beth Ngo

executive Assistant
Office Manager

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Beth joined the Antioch office team in December 2017 to provide administrative support to Pastor John. Originally from a suburb of Philadelphia, she graduated from Iowa State University with a B.S. in Genetics. She met the love of her life, Anh, at Iowa State University. Anh and Beth have two kids, Chloe and Liam. She loves all things administrative, including spreadsheets.

Kim Miller

ADMINISTRATIVE
specialist

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Kim has been an Administrative Assistant at Antioch since April of 2001. She has lived in the Cedar Rapids area most of her life. Kim and her husband, Bob, are members of Antioch and have two adult sons, Gabe (wife Sarah) and Nick (wife Aubree). She enjoys music, traveling, camping and kayaking, crafting, and spending time with her family and kitty, Patience.

Heidi Lansing

Administrative
Assistant

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Heidi joined the Antioch office team December 2019. She and her husband Mark have three adult sons, two adult daughters and one son-in-law. Heidi retired from military service in 2016 and has a heart for veterans and their families. Heidi has been a member of Antioch since 2008 and currently serves on the Women’s and Children’s Ministry teams. She loves teaching and is pursuing a degree in education. Heidi enjoys traveling, being outdoors, hiking, reading, watching documentaries on anything history related and hanging out with friends and family.

Bonnie Garbes

Administrative
Assistant

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Rebekah Schive

worship
intern

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Rebekah has been a member at Antioch since 2017. She joined the Antioch staff in December 2019, overseeing worship at the Oelwein campus. Rebekah was a worship director for two years before moving to Marion. She graduated from Kirkwood Community College with a degree in Early Childhood Education. When she isn’t serving in the worship ministry at either Antioch campus, she enjoys chatting with friends over a cup of coffee, finding new ways to organize any space and spending time with her husband Gabe. Rebekah’s goal is to be faithful in God’s calling in her life and help others do the same.
Tom grew up in Westerville, Ohio and joined the Air Force after high school. He later moved to Iowa and met his wife, Margaret. They started attending Antioch in 1984. Tom and Margaret have two grown children, Dean and Kathleen, and are also proud grandparents. Tom likes to build automobiles and is a fan of NASCAR and drag racing. He also enjoys fishing (especially in Canada), hunting, and studying the Bible.
Joel was born and raised in Waterloo, Iowa and moved to Marion in 1986. He and his family started attending Antioch in that year. He and his wife, Luann, have two sons, Curtis and Kyle. Joel graduated from Hawkeye Institute of Technology in 1985 and Mt. Mercy College in 1989. When not working, he enjoys spending time with the family, camping, boating and hunting.
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