Prof. Dr. Köksal Yuca graduated from Uludağ University Faculty of Medicine in 1994. He received the title of Associate Professor in 2006 and Professor in 2011. He works in his own clinic called RinoSinusCenter in Istanbul. He was certified by the European Board for examination and certification in facial Plastic and reconstructive Surgery in 2025.

Prof Vijayendra Honnurappa is the Director of Vijaya ENT Care Centre, Bangalore, India. He is an honorary visiting professor at BLDE University, Vijayapura ; KLE University, Belagavi, India ,and Otology faculty at University of Illinois, Chicago, USA. Prof Vijayendra is a past president of the Indian Society of Otology.

His hospital, Vijaya ENT Care centre is a major training site for the Ethio-American otology fellowship program . His annual live surgical otology conferences are attended by more than 1000 delegates every year from across the world. He is the author of two otology books “A colour atlas of temporal bone dissection” and “Otology demystified”

He specialises in otology surgeries including cholesteatoma, facial nerve surgeries, otosclerosis and tympanosclerosis surgeries