Ahmad Yousef is a Ph.D. student in the Department of Communicative Sciences and Disorders, under the supervision of Dr. Maryam Naghibolhosseini. He received both his B.Sc. and M.Sc. from the Mechanical Engineering Department, Alexandria University. With experience in mechanical engineering as a TA and RA for the past 4 years, he aims to continue contributing to and take an active part of voice and hearing science, in which he is doing research. He finds the research in this area to be rewarding as well in being able to do a research that will have a positive impact in the quality of life of people with voice/hearing disorders.