Elizabeth J. Preas, PhD, BCBA-D, LMHP

Elizabeth J. Preas, PhD, BCBA-D, LMHPElizabeth J. Preas, PhD, BCBA-D, LMHP

Clinical Director, Autism Care for Toddlers in Omaha North (ACTION) Clinic
Assistant Professor, MMI - iCASD

integrated Center for Autism Spectrum Disorders (iCASD)
Munroe-Meyer Institute
985450 Nebraska Medical Center
Omaha, NE 68198-5450

402-836-9908 | Email

Professional Summary

Elizabeth J. Preas, PhD, BCBA-D, LMHP is an Assistant Professor at the University of Nebraska Medical Center (UNMC) in the integrated Center for Autism Spectrum Disorders (iCASD). Dr. Preas is also the Clinical Director of the Autism Care for Toddlers in Omaha North (ACTION) Clinic that provides early intensive behavioral intervention services to young children diagnosed with an autism spectrum disorder. Dr. Preas received a Bachelor of Arts in Psychology and Sociology from Austin College under the research mentorship of Dr. Lisa Brown. She received her Masters of Science degree in Clinical and Counseling Psychology from the University of Texas at Tyler, and she received a PhD in Applied Behavior Analysis from UNMC under the supervision of Drs. Therese Mathews and Regina Carroll. Prior to moving to Omaha, Dr. Preas was the Regional ABA Clinical Director for Epic Developmental Services. While working at Epic, she established an early intensive behavioral intervention clinic-based program for children with autism in the North Texas Region and provided home-based services. Previously, Dr. Preas established two clinic-based programs for children with autism and related neurodevelopmental disorders in East Texas with non-profit organizations and served as the clinical director. Currently, Dr. Preas’ research and clinical interests include caregiver and staff training, skill acquisition in children with autism spectrum disorders and related developmental disabilities, assessment and treatment of challenging behavior, treatment integrity, and evaluations of evidence-based teaching procedures.

Specialty Certifications

Elizabeth J. Preas is a Board Certified Behavior Analyst since 2012, a Licensed Mental Health Practitioner in Nebraska, and a Licensed Behavior Analyst in Texas.


PhD, University of Nebraska Medical Center, 2019
MS, University of Texas at Tyler, 2012
BA, Austin College, 2009

Courses Taught

  • Single Subject Research Design
  • Applied Behavior Analysis
  • Women and Science

Research Interests and Projects

  • Caregiver training
  • Supervisor and staff training
  • Treatment of severe/challenging behavior
  • Feeding and related disorders
  • Treatment integrity and treatment adherence
  • Evaluation of evidence-based teaching procedures
  • Alternative and Augmentative Communication
  • Activities of daily living skills teaching procedures

Professional Affiliations

  • Association for Behavior Analysis International
  • Texas Association for Behavior Analysis
  • Heartland Association for Behavior Analysis
  • Mid-American Association for Behavior Analysis