Stephanie Smith Kellen, Ph.D.


Dr. Smith Kellen is a Post-Doctoral Psychology Fellow. She completed her Ph.D. at Oklahoma State University and her clinical internship at the Munroe-Meyer Institute in Nebraska.

Dr. Smith Kellen works with individuals and families from toddlers through adolescence. She also has experience providing caregiver training for a variety of behavioral concerns. She uses behavioral and cognitive-behavioral strategies that are solution-focused. Therapy is individualized based on each client’s need. Dr. Smith Kellen has a background in Applied Behavior Analysis and is a Board Certified Behavior Analyst. Her professional interests include child development, behavioral concerns, autism spectrum disorder, and ADHD.

Dr. Smith Kellen is a member of the American Psychological Association (APA) – Division 16, Association for Behavior Analysis International (ABAI), and National Association of School Psychologists (NASP).

Dr. Smith Kellen’s specialties include:
Psychological evaluations
Parent/caregiver training
Autism Spectrum Disorder
ADHD/learning disabilities
Behavioral disorders
Social skills



Stephanie Smith Kellen