Nasir Gebelli was born in Iran and studied computer science in the United States. In 1980, he started Sirius Software, developing graphics techniques for the Apple II computer. He gained a reputation for producing memorable games at a rapid pace, including best-sellers Space Eggs and Gorgon.
In the early days of Square, Nasir met Hironobu Sakaguchi, a fan of his work. He was hired to program the games Rad Racer and 3-D WorldRunner as his first two projects. He worked alongside Sakaguchi, Nobuo Uematsu, and Yoshitaka Amano to create Final Fantasy, and for the Famicom game system.
Nasir took a sebbatical following his trilogy of Final Fantasy titles, and returned to work as a programmer on Secret of Mana. Afterwards, he left Square to walk the earth, and was succeeded by Ken Narita. He was last seen at a get-together of Apple II software designers hosted by George Romero.12