Mr. Abdelrahman Ezzat Ibrahim is a dual-qualified Consultant ENT Surgeon and Healthcare Executive at United Lincolnshire Teaching Hospitals NHS Trust, where he also serves as ENT Educational Lead. His clinical practice encompasses the full breadth of otolaryngology, with subspecialty interests in otology and facial plastic surgery.

Mr. Ibrahim holds an MBA in Hospital Management alongside his FRCS (ORL-HNS) clinical fellowship, providing a rare combination of surgical excellence and strategic leadership. He is a Fellow of the European Board in Otorhinolaryngology (FEB ORL-HNS) and serves as an Examiner for the European Board Examination in ORL-HNS (EBEORL-HNS) since 2022, actively shaping the assessment and development of ENT specialists across Europe.

His clinical and academic work focuses on advancing minimally invasive ear surgery techniques, particularly total endoscopic ear surgery (TEES) for cholesteatoma, to improve patient outcomes and surgical precision. He has published extensively more tahn 46 papers in peer-reviewed journals with over 170 citations and an H-index of 7, and is a contributing author to the forthcoming Springer volume Clinical Cases in Endoscopic Ear Surgery.

Seiji Kakehata, M.D., Ph.D. is best known for his work in pioneering endoscopic ear surgery in his home country of Japan and around the world. He served as Professor and Chair of the Department of Otorhinolaryngology-Head and Neck Surgery at Yamagata University Faculty of Medicine until March of 2023 after which he became Professor Emeritus. In May of 2023, he opened the Endoscopic Ear Surgery Center in the Ota General Hospital in Kawasaki Japan to make TEES more accessible to the wider public. He is also the immediate past Chair of Board of Directors, Japan Otological Society. He is a director of the Japanese Society of Otorhinolaryngology-Head and Neck Surgery. In addition, he is a founding board member of the International Working Group on Endoscopic Ear Surgery (IWGEES) and its immediate past president as well as the president of the Pan-Asia Working Group on Endoscopic Ear Surgery (PAWGEES).

Dr. Kakehata’s clinical interests include minimally invasive endoscopic ear surgery, conductive and sensorineural hearing loss, and facial nerve palsy. Dr. Kakehata’s research has focused on cochlear hair cell physiology and hearing regeneration. His funded research includes the study of outer hair cell motility, effects of cholesterol alterations on outer hair cells, regeneration of the facial nerve, and regeneration of auditory nerve fiber growth and synapse formation after ear injury.

Dr. Kakehata hosted the 4th World Congress on Endoscopic Ear Surgery in 2022 and is the president-elect of the 36th Politzer Society Meeting to be held in 2028 in Kyoto. He organized and conducted the first endoscopic ear surgery courses in Asia and has continued to host an annual hands-on course since 2012. He has delivered numerous presentations at regional and national meetings in Japan, as well as at international conferences and courses, particularly in the field of endoscopic ear surgery.