Senior Pastor

Pastor Marwin Adair is the visionary leader and founder of One Body Church STL. A graduate of St. Louis Christian College, he leads with a heart full of unity, faith, and love. Pastor Marwin is passionate about creating a church that serves as a safe, judgment-free space where people can grow in every area of life and encounter the life-changing power of Jesus Christ.

Known for his authentic preaching, servant leadership, and unwavering commitment to building strong families and healthy communities, Pastor Marwin is on a mission to raise up a generation that loves God, serves others, and walks boldly in purpose.

Co-Pastor,

Pastor DeeNa Adair serves faithfully alongside her husband as Co-Pastor of One Body Church STL. A graduate of St. Louis Christian College, she is a powerful teacher, passionate intercessor, and spiritual mentor with a heart deeply rooted in God’s Word. Pastor DeeNa leads both our Youth Ministry and the dynamic Queens of Prayer Women’s Ministry, where she pours into the next generation and empowers women of all ages to walk boldly in their God-given identity.

With a deep commitment to prayer, healing, and spiritual growth, Pastor DeeNa helps cultivate a church culture grounded in love, authenticity, and unity. She is especially devoted to strengthening families and raising up disciples who not only know the Word — but live it.

Assistant Pastor

Pastor Arian Tyson has been faithfully serving in ministry since 2002 and joined the One Body Church STL family in 2016. Ordained as Assistant Pastor in March 2018, he brings wisdom, passion, and a deep commitment to both the Word and the people of God. A graduate of Missouri Baptist University with a B.S. in Business Administration, Pastor Arian is also the author of "Love Me or Hate Me: My Journey From Motivation 2 Elevation." He serves on the OBC Worship Team, is an active member of Kings of Valor, and currently leads as the instructor for Friday Night Bible Study. His heart is to elevate, equip, and empower the Body of Christ.

Church Secretary & Prayer Call Coordinator

Minister Debra Harris faithfully serves as the Church Secretary at One Body Church STL and is the driving force behind our weekly prayer call. With exceptional organizational gifts, she ensures smooth communication, scheduling, and administration within the church. Beyond the office, Debra leads our prayer calls—bringing people together in heartfelt, Spirit-led intercession. Her devotion to prayer, attention to detail, and compassionate spirit make her an invaluable blessing to our church family.