Dr. David Marine Mabry began ministry leadership in 1990 as a Youth Pastor eventually transitioning to Sports ministry. He then served in a para-ministry setting as an Area Director for the Fellowship of Christian Athletes and then as a marriage advocate and educator as a Community Director for the Marriage Resource Center. After which, he spent ten years as the Lead Pastor for Orange Friends Church in Lewis Center, Ohio.

Dr. Mabry has served as a professor and course writer with Barclay College and Ohio Christian University since 2015. These courses include those in the area of Bible, Theology, Spiritual Formation, Organizational Leadership, and Practical Ministry. He serves as the Director of the Master of Arts in Family Ministries with the Barclay College -School of Graduate Studies. He has had the privilege of serving the Columbus Division of Police as a Chaplain since 2015. Dr. Mabry and his wife, Theresa, started One Another Relationships, Inc. in 2008. They continue to strengthen marriages, families, churches, and organizations through coaching, consulting, speaking at retreats and conferences, and training church leaders.

Dr. Mabry earned a BA in Christian Ministries from Malone University. He has an MA in Practical Theology from Ashland Theological Seminary. He has a Doctorate in Transformational Leadership from ATS with a dissertation entitledImpacting Marriages in the Local Church Context through the Prepare-Enrich Program.

Dr. Mabry has been married to Theresa since 1993. They have three wonderful adult children. When not teaching, he enjoys backpacking, mountain biking, gardening, reading, and watching about any sport he can find.


Prepare-Enrich Seminar Director

Myers-Briggs Temperament Inventory (MBTI) Step I & II Certification
Fundamental Interpersonal Relations Orientation- Behavior (FIRO-B) Certification
Thomas-Kilmann Conflict Mode Instrument (TKI) Certification
RINGS Relationship Education Trainer
PAIRS Relationship Education Certified Trainer
 International Conference of Police Chaplains- Basic certification training

Recorded (Ordained) Pastor- Evangelical Friends Church- Eastern Region (EFC-ER) (1999)

Elder (Recognition of Ordination) - Church of the Nazarene (NC Ohio District Assembly) (2019)