Zaher Salah received his Ph.D. degree in Computer Science from the University of Liverpool, UK, in 2014; his MSc degree in Computer Science from Yarmouk University, Jordan, in 2004; and his B.Sc. degree in Computer Science from the University of Jordan, Jordan, in 2001. He is currently an Associate Professor in the Information Technology Department of the Hashemite University, Zarqa, Jordan. His research interests include machine learning, cyber security, information retrieval, opinion mining, sentiment analysis, biometrics, digital image and analysis, and pattern recognition. He can be contacted at zaher@hu.edu.jo.