Dr. O John Ma served as Professor and Chair of Emergency Medicine at Oregon Health & Science University from 2007 to 2019. Dr. O John Ma served as President of the Professional Staff at OHSU Healthcare from 2011 to 2013. Dr. O John Ma was the CEO and Co-Founder of Innovative, Disruptive, Emerging Applications in Emergency Medicine (IDEA-EM). Dr. O John Ma is the editor of twenty reference textbooks, including Ma and Mateer's Emergency Ultrasound and Tinitnalli's Emergency Medicine, which have been translated into more than ten languages. Dr. O John Ma's research mostly focused on the use of ultrasonography in the diagnosis of trauma patients' injuries. He has served on the boards of directors of the American Board of Emergency Medicine and the Society for Academic Emergency Medicine. He has been named Teacher of the Year four times and was the 2005 recipient of the SAEM Excellence in Ultrasound Education Award.
© 2022 by Dr. O John Ma