Our Team

Casiah Evans, LMFT-A is a licensed marriage and family therapist and Clinical Psychology Intern who specializes in neurodevelopmental testing for children, adolescents, and young adults.

Dr. Rahsheda Perine is the Clinical Training Program Director at OnPurpose. Dr. Perine is a licensed psychologist, professor, and clinical supervisor with extensive experience in psychological assessment, clinician training, and culturally responsive, evidence-based care for diverse communities.

Dr. Renae Johnson, PhD is a licensed Clinical Psychologist who specializes in neurodevelopmental testing for children, adolescents, and young adults. Her areas of expertise include the assessment of Autism Spectrum Disorder (ASD), ADHD, learning disabilities, and other developmental concerns. Through compassionate, comprehensive evaluations, Dr. Johnson helps families gain clarity, access appropriate supports, and develop effective strategies that promote growth and well-being.

Jasmine is a doctoral student in Clinical Adolescent Psychology at Prairie View A&M University with specialized training in integrative play therapy and a passion for providing culturally responsive, trauma-informed care to children, adolescents, and families.

Trevonna brings experience in crisis intervention through the 988 Suicide & Crisis Lifeline and as a Registered Behavior Technician, combining compassionate, evidence-based care with a passion for supporting individuals and families on their journey toward healing.

Warren Sheridan is a Licensed Professional Counselor (LPC) who emphasizes practical, human-centered care. He focuses on helping people manage stress, anxiety, trauma and abuse, and life transitions. Warren aims to make therapy feel calm and approachable for anyone feeling overwhelmed.