Leffall professor of surgery, chair of the department of surgery and surgeon-in-chief at Howard University College of Medicine. He previously held the position of professor of surgery, and director of Adult Trauma Service at The Johns Hopkins University School of Medicine. Dr. Cornwell is committed to violence prevention through education and outreach. He has served as president of the Society of Black Academic Surgeons and the Surgical Section of the National Medical Association, and chairman of TraumaNet of Maryland. He is currently deputy editor of Archives of Surgery.