A Human of the male gender, Urrisov was employed as a technician for the Sith Empire during the time of the Galactic War. His workplace was the planet Hoth. The year 3642 BBY saw him assigned to a salvage team tasked with the recovery of the _Pythar_-class Imperial shuttlecraft known as Deference. However, the Hero of Tython and the 301st Infantry seized the location. Following his surrender, Urrisov was persuaded to enlist with the Republic.