Mahmoudian (born in 18 May 1943 in Zanjan, Iran) is a retired professor of Mathematics at the Mathematical Sciences Department of Sharif University of Technology.He received his Bachelor of Science in 1965 at University of Tehran and his Master in 1968 at Shiraz University.
He got a master and a PhD degree from the University of Pennsylvania in 1971 and 1975, respectively.
His thesis advisor were Albert Nijenhuis and Herbert Wilf.
He was a professor of Mathematics at the Mathematical Sciences Department of Sharif University of Technology since 1983.
He co-edited Combinatorics Advances.Mahmoodian has had contributions in graph theory, in particular graph colouring.
He has also worked on combinatorial designs, in particular, defining sets, and the relations between all those areas.
Mahmoudian is known for his research collaborations with Maryam Mirzakhani.