Dr. De Souza has been Visiting Assistant Professor in the department since 1997. He is an experience otolaryngologist who focuses on otologic disorders. He is consultant otolaryngology surgeon at Tata Memorial Hospital in Bombay (Mumbai) India. After training in India he completed a fellowship with Michael Paparella MD in Minneapolis where he met Neil M. Sperling, MD. The two have continued their collaboration since that time. He has been a very productive contributor to the otolaryngology literature with over 30 papers in various aspects of otology and skull base surgery. He recently published his sixth book, "Atlas of Otitis Media - Clinicopathologic Correlations and Operative Techniques" with Michael M. Paparella MD and Neil Sperling as co-authors. His previous books included texts in otolaryngology, pediatric otorhinolaryngology, head and neck surgery and an atlas of otitis media. He contributes to the department in his visits to New York and by involving other faculty members in his publications.