graduated from Baylor University and the University of Texas Medical School in Galveston.

She completed her residency in adult psychiatry at the University of Louisville, and then a fellowship in child and adolescent psychiatry at Baylor College of Medicine in Houston.

She is board certified in both child/adolescent and adult psychiatry by the American Board of Psychiatry and Neurology.

In 1996 Dr. Koller received the Exemplary Psychiatrist Award from the National Alliance for the Mentally Ill (NAMI).

Her specialty is the treatment of mood disorders, attention disorders, disruptive disorders and developmental/autism spectrum disorders.