Professor of ubiquitous and mobile computing at the Department of Mathematics, Faculty of Science, Al-Azhar University, Cairo, Egypt. He received B.S. Degree in Computer Science, from Faculty of Science, Alexandria University, Egypt in 1999. He received MS. Degree in Computer Science from Faculty of Science, Cairo University, Egypt in 2008. He received his Ph.D. at the Nara Institute of Science and Technology (NAIST), a national corporation university located in NARA, Japan in 2012. He received the NAIST best PhD student award in March 2012, he received the outperformance Award from Graduate School of Information Science, NAIST in March 2012, and he received 2011IPSJYamashita Memorial Award (given to only one or two papers among all papers presented in one year in each IPSJ SIG, Japan. His research interests include software engineering, cloud computing, mobile computing, Internet of Things applications, smart home, data science, sensor networks, dynamic distributed systems, big data, and mobile crowd sensing. Currently, he is an associate Professor at the department of Computer Science, Faculty of Computing and Information technology, King Abdul-Aziz University, Jeddah, Saudi Arabia.