The 9th International Conference of Operations Research Society was held on 27-29 April, 2016 at Shiraz University of Technology with the cooperation of Iranian Operations Research Society and some other scientific organizations. The number of total submitted papers was 461 in which 205 papers are accepted to be presented at the conference. The opening session of the conference was started with the speed of Dr. Moghadasi, the Chancellor of Shiraz University of Technology, and continued with the message of the Ministry of Science, Research and Technology.
