Dr. Wiester graduated from the University of Cincinnati College of Medicine. She is the Medical Director, Seattle Children’s Safe Child and Adolescent Network (SCAN) and Harborview Abuse and Trauma Center (HATC).  Dr. Wiester has extensive experience and expertise in child maltreatment, especially in the area of sexual abuse. She consults on inpatient and outpatient cases of possible child abuse and neglect at Seattle Children's Hospital and Harborview Medical Center. Resident and community education and consultation is also a part of this responsibility.

As Regional Medical Consultant for DSHS, Dr. Wiester reviews cases for social workers, prepare documents as needed, give medical advice concerning select cases and provide education and guidance to DSHS staff where medical questions arise.