Roy Van Tassell, MS, is a mental health professional in Tulsa, Oklahoma and serves as Director for Trauma and Evidence-Based Interventions for Envolve People Care, a managed behavioral health care company with services in 17 states. Mr. Van Tassell provides training in trauma, assessment and evidenced-based interventions as well as consultation to a range of clinical providers, and has been a member of the SAMHSA funded National Child Traumatic Stress Network since 2003. His professional background over the 33 years is diverse, having worked with all ages in multiple residential, impatient, outpatient, and a partial hospital settings and serving as Clinical Director for Trauma Services at Family & Children’s Services. He has training and practice in four evidenced-based trauma interventions, and he is also a member of the National TF-CBT Trainer Network. Mr.Van Tassell provides on-going clinical supervision, training and consultation for Family & Children’s staff in Tulsa in addition to consultation and training for the Oklahoma Department of Mental Health and Substance Abuse Services and the Oklahoma Department of Human Services.