About the authors
Ricardo Carrau, MD, MBA joined the Department of Otolaryngology - Head & Neck Surgery at The Ohio State University as a tenured Professor in April 2011. He is the Director of the Comprehensive Skull Base Surgery Program, Co-Director of the research and education laboratory ALT-VISION (Anatomy Laboratory Toward Visuospatial Innovations in Otolaryngology and Neurosurgery), Co-Chair of Destination Medicine Global Health Care at OSUCC, and Associate Dean of the OSU program “FAME” (Faculty Advancement, Mentoring, and Engagement). The Comprehensive Skull Base Surgery Program is part of the Head & Neck Oncology Division at The James Cancer Hospital and the Solove Research Institute at The Ohio State University Medical Center (OSUMC) with ties to the Divisions of Rhinology and Neuro-Otology.
Dr. Carrau’s clinical interests are diverse and include swallowing disorders, traditional and endoscopic skull base surgery, head and neck oncology, disorders of the salivary glands and sialendoscopy, disorders of the paranasal sinuses and endoscopic sinus surgery and laryngotracheal stenosis.
Dr. Carrau has developed a remarkable curriculum vitae (CV), having authored over 600 publications (550+ peer-reviewed). He has co-authored/co-edited the books Operative Otolaryngology, Comprehensive Management of Swallowing Disorders, Clinical Manual of Swallowing Disorders, Clinical Management of Swallowing Disorders, Atlas de Cirugía Endoscopica y Base de Craneo (Asociación Colombiana de ORL-CCC, Maxilofacial y Estética Facial), and Dissection Laboratory Manual for Endoscopic Skull Base Surgery.
Dr. Carrau is recognized as a world expert in skull base surgery and a pioneer in endoscopic skull base surgery. He has been instrumental in developing techniques, defining the indications, and solving many of the challenges presented by patients with pathologies in this complex area; including swallowing disorders resulting from both the conditions and their various treatments
Dr. Daniel M. S. Prevedello, MD, MBA, FACS, is a Professor of Neurological Surgery and Otolaryngology at The Ohio State University Wexner Medical Center, where he also serves as Vice-Chair of Academic Affairs and Chair of the Promotion and Tenure Committee. A fellowship-trained neurosurgeon specializing in skull base and pituitary surgery, Dr. Prevedello completed advanced training at the University of Pittsburgh and the University of Virginia. He is Editor-in-Chief of Neurosurgery Review and serves on the editorial boards of leading journals, including the Journal of Neurosurgery. A recognized leader in his field, Dr. Prevedello has authored over 100 peer-reviewed publications and holds leadership roles in several international neurosurgical societies, including Vice-President of the North American Skull Base Society and Chair of the Skull Base Committee of the World Federation of Neurosurgical Societies.
Dr. Maithrea Suresh Narayanan, MBBS, MMED (ORL HNS) is a Consultant ENT Surgeon at Hospital Kuala Lumpur, where he leads the Rhinology and Anterior Skull Base service, a national referral and key clinical research center under Malaysia’s Ministry of Health. He completed advanced fellowships at The Ohio State University and Asan Medical Center. His contributions to medical education include roles in Royal College-affiliated programs, international dissection courses, and innovations in 3D photogrammetry for surgical training. His research spans otolaryngology, surgical techniques, oncology, and emergency medicine, with recent involvement in the MASTER KEY Asia rare cancer study.
Dr. Mohammad Bilal Alsavaf, MD, is a physician-scientist and incoming Otolaryngology–Head and Neck Surgery resident at Southern Illinois University, with a strong foundation in otolaryngology and neurosurgery. A top graduate of Erciyes University, he is currently a postdoctoral research fellow at The Ohio State University, focusing on skull base surgery and head and neck oncology under Drs. Ricardo L. Carrau and Daniel M. Prevedello. Dr. Alsavaf has authored over 35 peer-reviewed publications, received multiple awards including the Rhoton Award, and presented internationally. He is also an active educator and leader, having founded student organizations and instructed in surgical training programs.
Dr. Moataz D. Abouammo, MD, MSc, is a Research Associate and Lab Director at the OSU-ALT-VISION Lab, Department of Otolaryngology–Head and Neck Surgery at The Ohio State University. Trained in Egypt as an Otolaryngologist and Skull Base Surgeon, he completed a fellowship in Rhinology and Skull Base Surgery at OSU. Dr. Abouammo is known for his innovations in skull base surgery, including the Nasofrontal Trephination Approach—featured on the cover of Operative Neurosurgery—and the Nasopharyngo-Septal Butterfly Flap for reconstruction, both of which earned him international recognition, including the Rhoton Award at NASBS 2025. He has authored over 50 peer-reviewed publications, serves as a surgical course instructor, and focuses his research on endoscopic approaches and skull base tumor management.
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