He was the Head Doctor at St. Sebastian Hospital in Los Angeles, CA. After a patient was lost during a procedure performed by Dr. Christian Shephard, a hearing is help to determine exactly what happened. When Christian told his side of the story, the Head Doctor questioned him as to whether or not he was aware of the patient’s pregnancy, when Christian acknowledges that he was, Dr. Jack Shephard changes his side of the story and reveals that his father was operating under the influence of alcohol. Christian was effectively stripped of his medical license because of this.