Mostafa is a Research Associate in the School of Electrical Engineering and Telecommunications at the University of New South Wales (UNSW), where he was awarded his PhD in 2023. His research focuses on speech pronunciation assessment for educational and clinical applications, as well as AI-driven biomedical tools for the diagnosis and screening of health conditions such as sleep disorders, cognitive impairment, and cardiac arrhythmia. He has published in leading journals and conferences in signal processing and biomedical engineering, contributing to interdisciplinary research at the intersection of speech technology, machine learning, and healthcare.