Dr. Mark Kelderman is Dean of Students and Professor of Biblical Counseling at Puritan Reformed Theological Seminary. A former high school teacher, he completed his seminary training at PRTS and served as the pastor of Heritage Reformed Church in Burgessville, Ontario for 13 years. He and his wife Donna have been engaged in serving the church of Christ through Biblical counseling and recently they have begun to speak more publicly about sexual addiction, abuse and healing. They have six children: Jeremy (Adriana), Rachel (Gerard), Micah (Kim), Nathan (Allison), Caleb (Monica), and Hannah (Andrew). If you wish to contact him, you can email him at [email protected].