Emergency General Surgery Clinical Expertise Faculty Faculty Division of Emergency General Surgery, Department of Surgery Home About Campus & Community Resources Surgery: Divisions > Emergency General Surgery > Meet Our Faculty Meet Our Faculty Sebastian D. Schubl, MD Sebastian D. Schubl, MD, is chief of the Division of Emergency General Surgery, a clinical professor of surgery and medical director of operations at UCI Health. Sigrid Burruss, MD Sigrid Burruss, MD, is an associate professor of surgery in the Divisions of Emergency General Surgery and Trauma, Burns, Surgical Critical Care and Acute Care Surgery. She is the director of the hospital-based Violence Intervention program and community outreach. Theresa Chin, MD Theresa Chin, MD, is an associate professor of surgery in the Divisions of Emergency General Surgery and Trauma, Burns, Surgical Critical Care and Acute Care Surgery. Lourdes Swentek, MD Lourdes Swentek is an assistant professor of surgery in the Divisions of Emergency General Surgery and Trauma, Burns, Surgical Critical Care and Acute Care Surgery. She is also the surgery clerkship director for fourth-year medical students.