We are deeply honored to announce that 13th Iranian Conference on Fuzzy Systems will be organized by Islamic Azad University of Qazvin in co-operation with the Iranian Fuzzy Systems society.The conference will be held in Qazvin from 27 to 29 August, 2013. Iranian Fuzzy Systems Conference is aimed to develop science boundaries and provide a forum for academicians, industrial specialists, entrepreneurs and students to share and discuss their last industrial and scientific achievements. Conference organizing Committee encourage all students, professors, scientists and industrial specialists to send their last scientific works and papers on Fuzzy systems and its related areas to conference secretariat via conference portal according to the assigned dates. Also, selected papers will be published in ISI Journals as Iranian fuzzy Journal, Amir kabir Journal on Electrical Engineering, Amir Kabir Journal on Modeling, Identification, Simulation and Control and anon-ISI journal, theComputer and Robotic Journal of Islamic Azad university of Qazvin.