<p>Residency 2004-2009 in Istanbul University School of Medicine</p> <p>Observership 2005 in Massachusetts Eye and Ear Infirmary</p> <p>Neurotology Fellowship in Miami University Miller School of Medicine</p> <p>Associate Professorship in 2021 at the Bilim University, Florence Nightingale Hospital</p> <p>Working at Istanbul Kartal City Hospital since 2022.</p>

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<p>Prof. Dr. med. Kristen Rak is the senior consultant of otology and the senior physician of the Comprehensive Hearing Center Würzburg. His clinical specialties are in otology, especially cochlear implants, active middle ear implants and middle ear surgery. These areas are also his main interest in research alongside with radiological diagnostics of the inner ear structures, navigation of the lateral skull base and inner ear biology. He is the author/coauthor of over 120 peer reviewed articles.</p>

<p>Current position</p> <p>Chair of the Department of Otorhinolaryngology</p> <p>Charité- Universitätsmedizin Berlin, CVK/CCM</p> <p>1999 Recognition as specialist for Otorhinolaryngology, Head and Neck Surgery</p> <p>2006 Recognition as specialist for plastic surgery</p> <p>2007 Recognition as specialist for Allergy</p> <p>since 2010 Chair and Director of the Department of Otolaryngology, CCM and CVK, Charité- Universitätsmedizin Berlin, Germany</p> <p>Clinical focus</p> <p>• Ear surgery, skull base surgery, Cochlear implant and other hearing implants</p> <p>Research Focus</p> <p>• Cochlear implant: complex outcome measurement in different CI groups (DSD, SSD, AHL)</p> <p>CI and cognition, CI and VS</p>

<p>Mario E. Zernotti is professor of ENT at Catholic University of Córdoba and National University of Villa Maria, and also professor of Clinics of Hearing at National University of Córdoba. He has more than 30 years of experience in the field of ear surgery in Sanatorium Allende. He was the pioneer in electro acoustic stimulation (EAS) and hearing preservation in all America, doing the first cases of EAS cochlear implants in the continent. Besides, his team was the first to did Active Middle Ear Implants and bone conductive prosthesis in the region. This group is working specially in atresia/microtia patients, very common malformation in South-America, and northwest of Argentina, doing a comprehensive approach to the problem. Member of Hearring, Past president of GCIAN (Global Cochlear Implant Access Network) and President of the 8th World Congress on CI in Emerging Nations (2024).</p>