Yahya O Mohamed El Hadj received his Bachelor's degree in Computer Sciences from Caddi Ayyad University at 1996 in Morocco. He obtained Master's degree and PhD in distributed and parallel processing respectively at 1998 and 2001from a joint European Program with Mohamed I University of Morocco. He performed many research stays and Post-Docs in different European laboratories, such as LIP-ENS, IRIT Toulouse, etc. Since 2002, he is a faculty member at the College of Computer and Information Sciences, Al-Imam Muhammad Ibn Saud Islamic University in Saudi Arabia. His research interests include Language Processing Technologies (Text and Speech), Arabic & Islamic Computing, Sign Language Processing, Computer-Aided Education Technologies, and High Performance Computing. He founded a research group for Arabic & Islamic Computing (Ariscom) at Al-Imam University, and he is currently its leader. He participated and directed many research projects sponsored by different scientific institutions, such as King Abdulaziz City for Sciences and Technology (KACST), Al-Imam University, etc. He is/was the principal investigator of many funded research projects, for example: Part of Speech Tagging of the Holy Quran, Context-based morphological analyzer, Translation from Arabic Text to Saudi Sign Language, Human and Computer Interaction: concepts and techniques (Book in Arabic), Computerized Teaching of the Holly Quran, etc.