Supervisors

Mary Ann Shepherd, PhD – Co-Training Director

Oklahoma Pediatric Therapy Center

Dr. Mary Shepherd currently leads the Behavior Department at Oklahoma Pediatric Therapy Center. She decided on this career path because of her love for children and specializes in working with children and families of children diagnosed with Autism. She utilizes the foundational principles of Applied Behavior Analysis in her work and focuses on adapting the principles of ABA to everyday behavior interventions. She chose to work at OPTC because of the Christ led mission.

Dr. Shepherd has a PhD in School Psychology from Oklahoma State University. She is a licensed psychologist in the state of Oklahoma, a Board Certified Behavior Analyst and a Nationally Certified School Psychologist. She completed her predoctoral internship at The May Institute in Braintree, Massachusetts and her post-doctoral fellowship at the Kennedy Krieger Institute through Johns Hopkins School of Medicine in Baltimore, Maryland. Dr. Shepherd has been a faculty member at Southwestern Oklahoma State University and the University of Central Oklahoma. She is also a consultant to Oklahoma State Department of Education, OTISS Project.

  • Clinical and Research Interests: Treatment of children with autism, assessment and diagnosis of childhood disabilities, parent training, consultation with parents, families, and teachers of children diagnosed with autism.
  • Education and Training: Ph.D., Oklahoma State University; Doctoral internship at The May Institute; Postdoctoral Fellowship at Johns Hopkins University School of Medicine, Department of Pediatrics and the Kennedy Krieger Institute Department of Behavioral Psychology. Licensed Psychologist, Board Certified Behavior Analyst, National Certified School Psychologist.

Lindsey Bardwell, PhD, Co-Training Director

Cornerstone Behavioral Health and Pediatric Therapies

Dr. Lindsey Bardwell is a Child Psychologist and Board Certified Behavior Analyst, Doctoral (BCBA-D) at Cornerstone in Edmond. She completed her doctoral training at Oklahoma State University in Educational Psychology (with option in School Psychology) with a specialization in Applied Behavior Analysis (ABA) in 2014. Dr. Bardwell currently provides comprehensive diagnostic evaluations and behavioral therapy for children and adolescents.

A majority of her clients present with challenging behaviors or skill deficits that are associated with a diagnosis of autism spectrum disorder, intellectual disabilities, attention concerns, as well as other neurodevelopmental disorders. Dr. Bardwell works with parents of children with oppositional behaviors within the context of parent-child interaction therapy (PCIT).

She works to identify areas of concern for families, develop treatment plans that are evidenced-based, and provides recommendations that take into account a child’s strengths and available resources. Dr. Bardwell knows that for children to be successful, clinicians must understand how to help them function in a multitude of settings including the home, school, and community settings.

  • Clinical and Research Interests: Treatment of children with autism, assessment and diagnosis of childhood dis­abilities, parent training, consultation with parents, families, and teachers of children diagnosed with autism.
  • Education and Training: Ph.D., Oklahoma State University; Doctoral internship at Florida State University – Multi-Disciplinary Center (FSU-MDC); Postdoctoral Fellowship at Moore Autism Center and at Johns Hopkins University School of Medicine, Department of Pediatrics and the Kennedy Krieger Institute Department of Behavioral Psychology. Licensed Psychologist, Board Certified Behavior Analyst

Sara Rich, PhD, Training Faculty

OSU Behavioral Medicine Clinic
  • Clinical and Research Interests: Assessment and diagnosis of childhood disabilities; evidence-based school practices to support children with academic and behavioral concerns; effective collaboration between school and community mental health services for children within a multi-tier system of support.
  • Education and Training: Ph.D., Oklahoma State University; Doctoral internship at Devereux Behavioral Health: Center for Effective Schools; Postdoctoral training with Edmond Public Schools; Licensed Psychologist, National Certified School Psychologist.

Christopher Campbell, PhD, Training Faculty

Oklahoma Pediatric Therapy Center

Dr. Campbell is a Licensed Clinical Psychologist.  Dr. Campbell currently practices at Oklahoma Pediatric Therapy Center, a multi-disciplinary treatment facility where he specializes in the assessment and treatment of disruptive behaviors in children and adolescents. Dr. Campbell has been delivering PCIT services since 2007, and conducting on-site and virtual PCIT Trainings across the U.S. and Canada since 2011.  Dr. Campbell is the developer of the Teacher-Child Interaction Training – Comprehensive Program, and the Director of the PCIT & TCIT Training Corporation.