Denver Health Mental Health Services Psychologists

Christopher Sheldon, Ph.D., is the Chief Psychologist and Predoctoral Internship Training Director of Mental Health. He is also an Assistant Professor in the Department of Psychiatry at the University of Colorado School of Medicine. He received his undergraduate degree from the University of Texas at Austin. He received his Doctorate in Clinical Psychology at the University of Texas Southwestern Medical Center. Dr. Sheldon's research includes treatment of child and adolescent aggressive behavior, self-injurious behavior in youth, and improving the identification and treatment of psychiatric disorders in primary care. 

Laura Jacobs, Psy.D., is a Psychologist and the Outpatient Child/Adolescent Team Leader. She received her Doctoral Degree in Clinical Psychology from the University of Denver and has been a licensed Psychologist since 1999. Dr. Jacobs is an Instructor in the Department of Psychiatry at the University of Colorado School of Medicine. Her areas of treatment interest include trauma in young children, school-based mental health, firesetting, and self-injurious behavior in youth.

Alison Lieberman, Ph.D., is the Acting Outpatient Adult Mental Health Team Leader. She is an Instructor at the University of Colorado School of Medicine. Dr. Lieberman received her undergraduate degree from the University of Vermont and her master's degree from the University of Denver Graduate School of Professional Psychology. Her internship was completed at the Miami Veterans Administration Medical Center. Her specialty is Adult and Health Psychology.

Christopher Pierce, Ph.D., is a Neuropsychologist. He is an Assistant Professor in the Department of Psychiatry at the University of Colorado School of Medicine and he received his doctoral degree in Medical (Clinical) Psychology from the University of Alabama at Birmingham. Dr. Pierce specialized in neuropsychology during his Internship at the University of Washington School of Medicine. Dr. Pierce completed his Residency in Neuopsychology and Rehabilitation Psychology from the Rehabilitation Institute of Michigan. His research interests include the effects of psychostimulants on cognition, visual neglect and attention, and general neurocognitive assessment.

Jim Bartsch, Ph.D., is a Psychologist with the Outpatient Adult Mental Health team and Adult Inpatient Psychiatry Unit. He is a Senior Clinical Instructor of Psychiatry at the University of Colorado School of Medicine. Dr. Bartsch received his undergraduate and master’s degrees from the University of Wyoming, and received his Doctorate in Clinical Psychology with a minor in Behavioral Neurology from Louisiana State University. He completed post-doctoral training in family therapy at the Galveston Family Institute. Clinical interests include treatment of serious and persistent mental illnesses, brief therapy, treatment of dually diagnosed patients, and supervision.

Colleen Fischer, Ph.D., is a licensed psychologist on the Child/Adolescent Team of Behavioral Health at Denver Health Medical Center. She received her undergraduate degree at the University of Wisconsin-Madison. She received her Doctorate in Counseling Psychology at the University of Oregon and completed postdoctoral training at New York Presbyterian Hospital of Columbia and Cornell. Dr. Fischer's areas of treatment and research interest include school-based mental health, anxiety disorders in children and adolescents, neuropsychological and psychological assessment, and self-injurious behavior in youth.

Megan Twomey, Ph.D., is a licensed child/adolescent psychologist on the Inpatient Adolescent Psychiatric Unit and Outpatient Mental Health teams. She provides both therapy and psychological testing services. Her areas of treatment and research interest include mood disorders, behavior disorders, autism spectrum disorders, anxiety disorders, and self-injurious behavior.

Susan Bennett, Ph.D., is a clinical psychologist and adult mental health team leader on the adult outpatient service specializing in eating disorders and health psychology. Dr. Bennett’s setting is the specialty intensive care hospital service that provides medial stabilization of the sickest eating disorder patients in the county. She works with a multidisciplinary treatment team using a biopsychosocial integrated care model of eating disorders. Dr. Bennett also serves in Outpatient Behavioral Health Services where she manages the intake triage process for the adult mental health team, conducts intakes, provides clinical assessment, intervention and case management for adults 18 to geriatric. Dr. Bennett also directs five clinicians and serves. Bennett earned her Ph.D. in Counseling from the University of Denver; she has a master’s degree in Counseling Psychology also from DU.

Trina Seefeldt, Ph.D., is a licensed clinical psychologist with both the adult and child/family outpatient behavioral health teams at Denver Health. She provides both therapy and psychological testing services. Dr. Seefeldt has worked for more than a decade with underserved populations, including individuals experiencing homelessness and incarcerated individuals. Her areas of treatment interest include parenting issues, couples/family therapy, personality disorders, and depressive and anxiety disorders. Dr. Seefeldt received her undergraduate degree in psychology from Loyola University of Chicago, and her Ph.D. in clinical psychology from the University of Utah.