Ali Elnaggar received the BSc and the M.Sc. degrees in Operations Research from the Operations Research & Decision Support Systems Department at the Faculty of Computers and Information, Cairo University, in 2000 and 2004 , respectively. He received the Ph.D degree in Operations Research from Institute of Statistical Studies and Research (ISSR), Cairo University, 2010, Egypt. Since November 2010, He with operations research department, Institute of Statistical Studies and Research (ISSR), Cairo University. Since September 2011-August 2016, He was with Statistics and Operations Research department, Faculty of Sciences, King Abdulaziz University, Jeddah, Saudi Arabia. He is interested in mathematical and statistical modeling, simulation optimization techniques and intelligent optimization techniques. Additionally he is also interested in real world problems such as industrial, transportation, manufacturing, education and capital investment problems. He is an associate editor and reviewer in many reputable journals and conferences in the field of Information Sciences, Statistics and Operations Research.