The Certified Registered Nurse Anesthetist (CRNA) administers anesthesia and provides anesthesia-related care to patients before, during, and after surgery. Working in a medical supervision model, the CRNA collaborates with various medical practitioners and acts as a liaison between the patient and the lead care provider, helping ensure all parties understand how to approach procedures safely and comfortably. The role works under the collaboration of the Chief of Anesthesiology.