Mohsen Fakhrizadeh Mahabadi was an Iranian nuclear physicist and scientist. He was regarded as the chief of Iran's nuclear program.
Born in Qom in 1961, Fakhrizadeh joined the Islamic Revolutionary Guard Corps after the Iranian revolution of 1979. He attended Shahid Beheshti University and later received a PhD from the University of Isfahan. Beginning in 1991, he was a physics professor at Imam Hossein University.
Fakhrizadeh led the Organization of Defensive Innovation and Research and the Green Salt Project.