Born to a Japanese father and Taiwanese mother,[5] Sato grew up in Shinjuku, Tokyo, with his parents and older brother.
This then inspired Sato to pursue Judo and he used to train at the local police station.
[12] Sato was scheduled to face Maki Pitolo at UFC Fight Night 168 on February 23, 2020.
[15] Two days before the fight, Sato's opponent was switched to UFC newcomer Jason Witt.
[18] However, despite making the required weight, Sato was not cleared to fight by Nevada State Athletic Commission medical personnel and was removed from the card.
[20] As the last fight of his contract, Sato faced Miguel Baeza on November 28, 2020, at UFC on ESPN: Smith vs.
[22] Sato returned after more than a one-year hiatus and faced Gunnar Nelson, replacing injured Cláudio Silva, on 19 March 2022 at UFC Fight Night 204.