Vincent was born in 1996 to parents Franklyn and Cynthia. He grew up in Modesto, California and attended Modesto Christian High School as a freshman before transferring to St. Mary's High School. Through three years with St. Mary's, he became the school record holder in points (1,638) and three-pointers made (189). After high school, Vincent spent four years at UC Santa Barbara with an interest in religious studies. Vincent's favorite athlete is LeBron James, and his TV and movie favorites include Breaking Bad and the Harry Potter series. Vincent has also represented the Nigerian national team as recently as the 2019 FIBA World Basketball Cup in China.