Dr. Demetriades is a tenured Professor of Surgery, at the Keck School of Medicine of USC and the Chief of the Division of Trauma, Emergency Surgery, and Surgical Critical Care.

He has published more than 670 peer-reviewed publications in referenced journals, three trauma atlas books, 6 books, and more than 140 book chapters. The “Atlas of Surgical Techniques in Trauma”, received the 2016 first prize by the British Medical Association and has been translated in Italian, Albanian, Chinese and Japanese. The “Red Book of Trauma” has been translated into Greek, Turkish, and Chinese. The “Blue Book of Critical Care” has been translated in Chinese.

Dr Demetriades received 24 teaching awards, including the title of "Master Teacher" by the USC School of Medicine. In 2018 he was elected in the “Academy of Master Surgeon Educators of the American College of Surgeons”. He has delivered more than 400 invited lectures in the United States and 40 other countries.

Dr Demetriades received numerous national and international awards and recognitions, including: Honorary Doctorate, University of Athens. Honorary Doctorate, the University of Thessaloniki, Greece. The Scudder Oration, the American College of Surgeons. The Lifetime Achievement Award, American Heart Association. Official Councilor, Korean Society of Traumatology. The FDA Distinguished Service award. Honorary Member of the European Society of Trauma and Emergency Surgery. “1000 Top International Scientists” by the Republic of China. Outstanding Service Award, American Association for the Surgery of Trauma. The International Gimbernat Prize for contribution in to Surgery, Societat Catalana de Cirurgia, Spain. Distinguished professor and British Journal of Surgery keynote lecturer, the Swiss Society of Surgery, Bern Switzerland. Vice Chairman International Trauma Rescue and Treatment Association, China. The “Excelsior Surgical Society/Edward D. Churchill” lecturer, by the United States Armed Forces and the American College of Surgeons. Member of the Academy of Master Surgeon Educators of the American College of Surgeons. Foundation Professor of the Royal Australasian College of Surgeons; Distinguished Professor Royal College of Physicians and Surgeons of Canada. Distinguished Lecturer of the Swiss Society of Visceral Surgeons. The Theodore Kocher” Distinguished Professor, University of Bern, Switzerland. Member of the Greek Academy of Sciences and Medicine. Commendations by the LA Board of Supervisors for contributions to trauma care in the County of Los Angeles. Numerous commendations by the US Navy for his contribution in the US Navy Trauma Training program. Honorary member of numerous national societies in many countries. Editorial boards of many journals