is the third-in-rank academic branch of the Islamic Azad University. Today, South Tehran Branch with regard to the number of students—40.000—is known as the second largest university of Iran. Besides, South Tehran Branch’s Faculty of Engineering with approximately 20.000 students is marked as the largest university both in Iran and the Middle East. This 30 year old branch also resides among the five top-tiers of Islamic Azad University. In 2014, in accordance with ” Scimago”, the ranking system based on the scientific information of Scopus database (affiliated with Science Direct), “South Tehran Branch” after “Science and Research Branch” is deemed the second ranking university among all Islamic Azad University branches. In terms of Webometrics, in the year 2017, STB was ranked second among all branches of IAU. This branch offers 67 authorized PhD, 134 MS/MA, 68 Continuous BS/BA, and 23 Non-Continuous BS/BA fields of study. Presently, the Chancellor of this university is Dr. Ramin Khajavi who can be reached directly via email@example.com for your ideas, opinions, comments, suggestions, and complaints.