Mohammed Bader-El-Den received the B.S. and M.Sc. degrees in computer engineering from the Arab Academy for Science and Technology, Alexandria, Egypt, in 2000 and 2003, respectively, and the Ph.D. degree in computer science from the University of Essex, Colchester, U.K., in 2009. He was an Intern with Microsoft Research Cambridge, Cambridge, U.K., during his Ph.D. degree. He was a Visual C++ Developer with Harf for information technology, Cairo, Egypt. He was also a Sun Certified Programmer and Oracle Database Administration Certified (OCP-DBA). He was a Research Associate with Loughborough University, Loughborough, U.K. He is currently a Senior Lecturer with the University of Portsmouth, Portsmouth, U.K., where he is a member of the Computational Intelligence Group. His current research interests include data mining, classification, class imbalance, evolutionary computation, genetic programing, combinatorial optimization, and big data.