Professor Alaa Eldin Elfeky is a professor of Otorhinolaryngology and Head&Neck surgery, Faculty of Medicine, Zagazig University, Egypt. He obtained his MD in ORL-HNS from the University of Zagazig, Egypt in 1990. Prof. Elfeky is the main supervisor for more than 50 theses of Master and Doctor Degree. He was in the board of evaluation of more than 50 theses of Master and Doctor Degree in all Universities of Egypt. He is in the board of Egyptian Society of Surgical Oncology since 2000 and he is the president of Delta Society of Otorhinolaryngology-Head and Neck Surgery, Egypt since 2010. He wrote a book of "Essentials of Otorhinolaryngology" in 1997. He is a member of the Egyptian promotion committee for professors and assistant professors  2013-2016. He is the founder and senior of the Head and Neck Surgery Unit in ORL Department Zagazig University since 2000. He is the founder and senior of cochlear implant unit in ORL Department Zagazig University since 2007. Through 2015-2016, professor Elfeky presented lectures in the following international conferences: Chennai, India 2-4 Jan 2015 - Dubai, UAE 14-16 Jan 2015 - St.Petersburg, Russia 20-23 April 2015 - Seoul, South Korea, 24-26 April 2015 - Beirut, Lebanon 15-16 May 2015 – Nice, France 27-28 Nov 2015- Dubai, UAE, 13-15 Jan 2016, Beirut  Lebanon 20-21 May 2016, St. Petersburg, Russia 2-4 July 2016- Manama, Bahrain 16-18 November 2016.