Ma, O. John, M.D.

About the Author

Dr. O. John Ma, M.D., is a distinguished emergency medicine physician and educator with over two decades of clinical and academic experience. As a professor of emergency medicine and associate dean at a leading medical institution, he has dedicated his career to advancing patient care in high-stakes environments, from urban trauma centers to global health initiatives. Dr. Ma's expertise in acute care diagnostics and resuscitation techniques has made him a sought-after speaker and consultant. He is the co-editor of the renowned Tintinalli's Emergency Medicine Manual, a compact yet comprehensive resource that equips medical professionals with essential knowledge for rapid decision-making in emergencies. Through his writing and teaching, Dr. Ma bridges the gap between theory and practice, empowering the next generation of physicians to deliver life-saving interventions with precision and compassion.