Prof. Kahraman is a full professor at Istanbul Technical University. His research areas are engineering economics, quality management, statistical decision making, multicriteria decision making, and fuzzy decision making. He published more than 200 journal papers, about 150 conference papers, and 80 book chapters. He guest-edited some issues of many international journals. He is the editor of many international books from Springer and Atlantis Press. He is the member of editorial boards of 20 international journals. He was the vice dean of ITU Management Faculty between 2004-2007 and the head of ITU Industrial Engineering Department between 2010-2013. Y. Ilker Topcu is a Professor of Decision Sciences at Industrial Engineering Department of Istanbul Technical University (ITU) Management Faculty. He completed his Ph.D. studies in Engineering Management (2000) at ITU and visited Leeds University Business School during these studies (1998-1999). Professor Topcu's research interests include multiple criteria decision making, decision analysis, operations research/management science. He is executive committee member of International Society of Multiple Criteria Decision Making. He has published in several journals.