Iosivas was born in Japan on October 15, 1999, to a Filipino mother and Romanian father. The family moved to Honolulu in 2003, where he attended the Punahou School.

College career

Iosivas played on Princeton’s junior varsity team as a freshman. As a sophomore, he caught 18 passes for 263 yards and four touchdowns. Iosivas’s initial junior season in 2020 was canceled due to the COVID-19 pandemic and he took a gap year. In 2021, he caught 41 passes for 703 yards and five touchdowns and was named second-team All-Ivy League. Iosivas entered his senior season as the 15th-most athletic player in college football on sportswriter Bruce Feldman’s annual “Freaks List”. He was named first team All-Ivy League after leading the conference with 66 receptions, 943 receiving yards, and seven touchdown catches.

Iosivas was also a heptathlete on Princeton’s track and field team. He set the school record with 5,715 points in 2022 and was named an All-American.^[11][12]