**Mohammad Z. Raqab** is professor of statistics at the University of Jordan. He completed his B.Sc. (1981) in mathematics at the University of Jordan, M. Sc. (1989) and PhD (1992) in statistics at Ohio State University, Ohio State, USA. His areas of interests: Statistical Models Involving Ordered Random Variables, Optimal Evaluations of Statistical Functionals, Biostatistical Applications on Censoring Data, Reliability Theory, Intensive Computer Studies, Information Technology and E-learning.Read more about Professor Raqab on his web site at: www1.ju.edu.jo/mraqab.