Prof. Mahmoud Hallal | Clinical Trials | Best Researcher Award

Lebanese University Faculty of Medical Sciences | Lebanon

Prof. Mahmoud Hallal is a distinguished clinician, educator, and leader in the field of gastroenterology, renowned for his extensive expertise in internal medicine, hepatology, and advanced therapeutic endoscopy. He began his medical journey by earning a Bachelor of Medicine and Bachelor of Surgery from Baghdad University, laying the foundation for a career marked by excellence, dedication, and continuous learning. He later pursued advanced clinical training in internal medicine at Makassed General Hospital in Beirut, a center affiliated with the American University of Beirut Medical Center, where he completed a comprehensive residency followed by a rotating internship that strengthened his clinical acumen and patient-centered approach.Driven by a deep interest in digestive health and liver diseases, Prof. Hallal completed intensive post-graduate fellowship training in gastroenterology at the American University of Beirut Medical Center. His advanced training included a specialized senior fellowship focused on liver diseases and an external university training program in France, where he developed high-level competency in therapeutic bilio-pancreatic procedures and invasive endoscopy, including ERCP. This period shaped his clinical expertise and positioned him among the region’s leading specialists in advanced endoscopic interventions.Prof. Hallal’s professional credentials include medical licensure as a physician, internist, and gastroenterologist in Lebanon. Over the course of his career, he has held several major hospital leadership roles, including serving as the head of gastroenterology and endoscopy departments and contributing as assistant chief of staff for academic development at Al Zahraa University Hospital Medical Center. He also held senior administrative and clinical leadership roles at Rassoul Al-Aazam Hospital, where he oversaw both internal medicine and gastroenterology divisions.An influential academic figure, Prof. Hallal serves as a clinical assistant professor of gastroenterology at the Lebanese University Faculty of Medical Sciences. He has also served as a clinical instructor, lecturer, fellowship program coordinator, and undergraduate thesis mentor, shaping the next generations of physicians and gastroenterologists. His academic involvement extends to national and international conferences, where he is frequently invited as a speaker in Lebanon, Abu Dhabi, Turkey, Rome, and the United Kingdom.

Profile: Orcid

Featured Publications

Boutari, R., Zayour, N., Hmedeh, A. N., Bashashi, D. K., Assaf, F., Al Tahan, J., Zrara, N., Al-Mokdad, N., Al Khatib, O., Zreik, A., et al. (2025). Prevalence, risk factors, and endoscopic findings of Helicobacter pylori infection among Lebanese patients undergoing gastroscopy: A retrospective study from a single tertiary center.