The Institute for Advanced Studies in Basic Sciences (IASBS) (Persian: دانشگاه تحصیلات تکمیلی علوم پایه زنجان) is an advanced research center and graduate-level degree-granting institution in Zanjan, Iran. It was founded in 1991 by Prof. Yousef Sobouti, who was the director of the institute until 2010. After that Dr.Rasoul Khodabakhsh was the director till February 2014, and Dr. HamidReza Mohammadi Khalesifard has filled the position since then. The Institute awarded as one of the top advanced research centers in Iran. IASBS was also ranked the IRAN’s top university in 3 of 36 disciplines ranked by QS, including physics, chemistry, and mathematics.