Dr. O John Ma
professsor and Chair of Emergency Medicine in United States
Dr. O John Ma is a highly accomplished medical professional who has made significant contributions to the field of emergency medicine. He moved to the University of Missouri Kansas City School of Medicine in 1997, where he joined the attending staff of St. Luke's Hospital and then the Truman Medical Center, where he remained for eight years and advanced in rank. In the first year, he was the director of research for the Department of Emergency Medicine; in 2000, he became the vice-chair for academic advancement. He was promoted to vice-chair of the emergency medicine department in 2002. 2006 saw the appointment of Dr. John Ma as Department Chair and Chief of Emergency Medicine - a position he still holds today.