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

Dr. Rich is a full time licensed psychologist at OSU-BMC and is heavily invested in the State of Oklahoma.  Dr. Rich completed her doctoral training at Oklahoma State University, an APA accredited program, in School Psychology specializing in School Consultation.  Dr. Rich then completed her internship at an APA accredited internship site, Devereux Behavioral Health before returning to the State of Oklahoma to serve as a psychologist at a school consortium in Northern Oklahoma.  Dr. Rich has gone on to apply for numerous grants within the state and partnered with OSU Behavioral Medicine Clinic to expand services provided within their clinic.  Dr. Rich specializes in utilizing a Response to Intervention framework to address academic and behavioral concerns in the school system. She currently serves as the Co-Director of the OSU BRIDGE Center, a newly established center designed to provide consultation, coaching, professional development, and grant evaluation services to school districts on topics related to MTSS and supporting students with emotional and behavioral difficulties.  Dr. Rich is a strong advocate for linking outpatient mental health services to evidence based school services and creating a continuum of care for children across all environments.  Dr. Rich utilizes a wide range of evidence based practices including but not limited to Positive Behavioral Interventions and Supports (PBIS).  Dr. Rich is actively involved in research and has presented several publications and presentations at state and local conferences.  Dr. Rich is committed to the State of Oklahoma and improving evidence based practices across all domains of practice. As such, Dr. Rich is also actively involved in both state and national organizations including the Oklahoma School Psychological Association and is the Oklahoma delegate for the National School Psychology Association.

  • 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 completed his doctoral education in clinical psychology at an APA accredited university, the University of Nebraska-Lincoln and then went on to complete his internship and post doctoral fellowship at Oklahoma Health Sciences Center, also an APA accredited internship.  While at OUHSC, Dr. Campbell was awarded an NIH grant to research applying PCIT training to the classroom and to teachers.  Dr. Campbell went on to teach at East Central University in Ada, Oklahoma where he continued to conduct research and promote evidence based practice.  Dr. Campbell created a blended PCIT program to train and certify professionals in the evidence based practice of PCIT.  Dr. Campbell, while not originally from Oklahoma, has decided to remain in Oklahoma and raise his family in the state and is deeply committed to training and promoting access to services within the state of Oklahoma.  

Brit’ny Stein, PhD, Training Faculty

OSU Behavioral Medicine Clinic

Dr. Stein is a licensed psychologist and Nationally Certified School Psychologist at OSU-BMC. She pursued her doctoral training in School Psychology at Oklahoma State University, an APA accredited program, specializing in both early childhood and applied behavior analysis. She completed her pre-doctoral internship at Devereux Center for Effective Schools, and then she moved back to Oklahoma to work on federal grants in rural schools. During her time at the Osage County Interlocal Cooperative, Dr. Stein assisted in writing and implementing multiple state and federally funded grants, including an Education Innovation in Research (EIR) grant and a Mental Health Service Professional Demonstration Grant. For five years, she worked to improve school climate as the field supervisor of school psychology graduate students completing both their school-based practicum and MTSS coaching assistantships. Dr. Stein also has experience serving as a consultant on tiered systems support to rural, suburban, and urban schools, as well as to the Oklahoma State Department of Education. She is passionate about the interconnection of mental health services and evidence-based school practices within a framework of data-based decision-making, and she currently serves as the OSU BRIDGE Center’s Director of Technical Assistance, helping coordinate and provide MTSS professional development and consultation services to school districts. Dr. Stein actively conducts research, presenting at state and national conferences and disseminating findings via peer-reviewed publications. Dr. Stein also serves on the Oklahoma School Psychological Association Board as communications committee co-chair.

  • 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 Osage County Interlocal Cooperative; Licensed Psychologist, National Certified School Psychologist.

Eileen Parker, PhD, Training Faculty

Cornerstone Behavioral Health and Pediatric Therapies

Dr. Parker is a Health Service Psychologist at Cornerstone in Edmond and Midwest City. She completed her doctoral training at the University of Oklahoma Counseling Psychology program in 2016. Dr. Parker provides comprehensive diagnostic evaluations and consultations for children and adolescents. Dr. Parker serves on the Oklahoma Psychological Association Board as the Division of Research and Training chair. 

  • Clinical and Research Interests: Understanding diversity, equity, access and inclusion for individuals with autism, females on the autism spectrum, autism across the lifespan, assessment and diagnosis of childhood disorders
  • Education and Training: PhD, University of Oklahoma; Doctoral internship at the Oklahoma Health Consortium; Postdoctoral Fellowship at Full Circle Developmental Center, Licensed Health Service Psychologist