
His family name was changed in Iran long before his birth from Mofsesian to Mousasi.

Mousasi was born in Tehran, Iran to ethnic- Armenian parents during the Iran–Iraq War. At the moment of his departure from the UFC in July 2017, he was #4 in the official UFC middleweight rankings, and he is currently ranked the #9 middleweight MMA fighter in the world by Fight Matrix. He is also the former DREAM Light Heavyweight Champion, former DREAM Middleweight Champion, former Cage Warriors World Middleweight Champion, and the former Strikeforce Light Heavyweight Champion, thus making Mousasi an overall six-time MMA world champion. As of December 13, 2022, he is #10 in the Bellator men's pound-for-pound rankings and #1 in the Bellator Middleweight Rankings. Gegard Mousasi (born 1 August 1985), is a Dutch mixed martial artist and former kickboxer, currently competing in Bellator MMA, where he is the former two-time Bellator Middleweight Champion. Gegard Mousasi in 2009, at the weigh-in before the Strikeforce: Carano vs.
