With 35 years of expertise in chronic pain management, pediatric anesthesia, thoracic anesthesia, difficult airway, and advanced regional anesthesia, he holds an M.B.B.Ch. (Bachelor of Medicine, Bachelor of Surgery) from Alexandria University, Egypt, an M.A. in anesthesia from Alexandria University, and a diploma in anesthesia from The Royal College of Anaesthetists (R.C.o.A.), UK Dr. Hager is a Fellow of the Royal College of Anesthetists (F.R.C.o.A.) and the Chronic Pain Society of the Royal College of Anesthetists. He is also a member of the Egyptian Medical Society, the General Medical Council (GMC) in the UK, the Royal College of Anesthetists, and the Pain Society in the UK. Licensed in the UK and Egypt, Dr. Hager holds certifications, including the Certificate of Completion of Specialist Training (CCST) in the UK. His professional journey includes roles at esteemed institutions across different countries. Dr. Hager’s dedication is evident in his memberships, licenses, certifications, and published dissertations, establishing him as a valuable asset in anesthesia.