Mario Sanna Professor Sanna is Founder and Director of the Gruppo Otologico (Piacenza-Rome, Italy), an internationally acclaimed center for otology, hearing implantology and skull base surgeries. Over 200 fellows and 1000 observers have been trained at the Grupp Otologico. Known across the world for his pioneering work in Otology and Skull Base Surgery, Professor Sanna is a founding member of the European Skull Base Society, the Italian Skull Base Society, and an honorary member of the French and Spanish Otolaryngological Societies. He has authored 15 books and over 375 articles in peer-reviewed journals. He has been invited faculty in over 400 conferences and academic meetings. Read More Read Less