Corey Lieneman, PhD, is certified as a therapist and within-agency trainer through Parent-Child Interaction Therapy (PCIT) International, Inc. She is a licensed psychologist and assistant professor in the Department of Psychiatry at the University of Nebraska Medical Center (UNMC). Dr. Lieneman specializes in research, diagnosis, and treatment of disruptive behavior in children ages 12 and younger with particular focus on children with autism, ADHD, anxiety, trauma, and attachment diagnoses. Dr. Lieneman also has expertise in treating sleep disorders and conducting Trauma-Focused Cognitive-Behavior Therapy (TF-CBT). She has authored several research-based publications, including a book, Time-Out in Child Behavior Management with Dr. Cheryl McNeil. Dr. Lieneman earned a PhD in Clinical Child Psychology from West Virginia University (WVU). She completed a predoctoral internship in Behavioral Pediatrics and Integrated Care and a postdoctoral fellowship in Child and Adolescent Psychology at the Munroe-Meyer Institute at UNMC. Dr. Lieneman also holds a master's degree in Clinical Child Psychology from WVU, a master's degree in Community Counseling from Villanova University, and a bachelor's degree from the University of Nebraska-Lincoln.