Meet Our Staff
Rob previously served as the Assistant Pastor at Redeemer Church of Knoxville. He also has served as Youth Pastor of Redeemer Presbyterian Church (Athens, GA) and the Campus Minister with Reformed University Fellowship at Appalachian State University. He is a graduate of the University of Tennessee and Covenant Theological Seminary. He and his wife, Mary Lee, have two children: Robert and Fay. Rob loves spicy food, nerdy books, and yard work. He loves Fountain City and is excited to see how God is at work her for the long haul.
Rev. Rob Herron, Pastor
Wimberly Johnson, Director of Children’s Ministry and Nursery Coordinator
Wimberly grew up in Clemson, SC. She went to Auburn University where she met her husband Charlie. They have been in Knoxville for 10 years and have two awesome kids: Miles and Kevin. She loves cooking (but really eating), the beach, and time well spent with family and friends. She is excited to show our kids at Mercy the joy of belonging to Jesus.
Carly Ogan, Lead Administrator
Carly is originally from Tulsa, OK and studied at John Brown University (BA in Family and Human Services). Carly is married to Matt and they have two girls, Millie and Vera Mae. The Ogan family moved to TN in 2025 after spending the last 6 years in Columbia, MO. Carly loves Mexican food, reading, and crafts of any kind. Carly is most excited about Mercy’s desire to make God’s goodness known in and around Fountain City.
Jeremy Reasoner, Director of Worship
Jeremy received a BA from Columbia International University where he double majored in Bible and music, with an emphasis in vocal performance. He has lived in the Knoxville area for the past five years with his wife, Haley. They welcomed their son Oliver in 2024. Jeremy enjoys board games, a good cup of decaf coffee in the evening, and baseball season (Go Dodgers). Gathering together with fellow believers at Mercy Presbyterian Church to sing praises to a Merciful God will always be humbling and exciting to Jeremy.