James Brandon Slater (born September 14, 1999) is an American professional basketball player for the Knox Raiders of the NBL1 South. He played college basketball for the Villanova Wildcats of the Big East Conference.
Slater played basketball for Paul VI Catholic High School in Fairfax, Virginia. At Paul VI, he was teammates with Trevor Keels and Jeremy Roach. As a junior, Slater averaged 15.2 points, seven rebounds and three assists per game. His senior season was cut short by a broken left hand. Slater competed for Team Takeover on the Amateur Athletic Union circuit, playing alongside his future college teammate Justin Moore. A consensus four-star recruit, he committed to playing college basketball for Villanova over offers from Maryland, South Carolina and Miami (Florida).
Slater had a limited role during his first three seasons at Villanova. As a junior, he averaged 3.8 points and 2.2 rebounds in 16.8 minutes per game. He entered the starting lineup in his senior season. On November 16, 2021, Slater scored 23 points in a 100âÂÂ81 win against Howard. He averaged 8.5 points and 3.7 rebounds per game as a senior, helping the Wildcats reach the Final Four. Slater opted to return for his fifth season of eligibility, taking advantage of the NCAA's decision to offer an additional season due to the COVID-19 pandemic. In 2022âÂÂ23, he averaged 9.7 points and 4.7 rebounds in 29.0 minutes per game across 34 appearances (all starts) for the Wildcats.
Slater sent undrafted in the 2023 NBA draft. On September 26, 2023, he signed with the Boston Celtics, only to be waived two days later. He subsequently joined the Maine Celtics of the NBA G League for the 2023âÂÂ24 season. In 51 games, he averaged 7.3 points, 2.7 rebounds and 1.1 assists per game.
Slater joined the Charlotte Hornets for the 2024 NBA Summer League.
On August 3, 2024, Slater signed with Lavrio Megabolt of the Greek Basketball League. In 24 games during the 2024âÂÂ25 season, he averaged 7.4 points and 3.0 rebounds per game.
On September 19, 2025, Slater signed with the Charlotte Hornets, only to be waived the following day. He subsequently joined the Greensboro Swarm for the 2025âÂÂ26 NBA G League season. On February 21, 2026, he was waived by the Swarm. In 21 games, he averaged 6.1 points and 3.1 rebounds per game.
On March 2, 2026, Slater signed with the Knox Raiders of the NBL1 South for the 2026 NBL1 season.
|- | style="text-align:left;"| 2018âÂÂ19 | style="text-align:left;"| Villanova | 15 || 0 || 3.5 || .222 || .000 || .000 || .6 || .1 || .1 || .2 || .3 |- | style="text-align:left;"| 2019âÂÂ20 | style="text-align:left;"| Villanova | 31 || 0 || 11.6 || .377 || .150 || .400 || 1.3 || .7 || .4 || .2 || 1.6 |- | style="text-align:left;"| 2020âÂÂ21 | style="text-align:left;"| Villanova | 25 || 2 || 16.8 || .493 || .417 || .600 || 2.2 || .5 || .8 || .2 || 3.8 |- | style="text-align:left;"| 2021âÂÂ22 | style="text-align:left;"| Villanova | 38 || 38 || 30.1 || .478 || .337 || .881 || 3.7 || 1.6 || 1.1 || .3|| 8.5 |- | style="text-align:left;"| 2022âÂÂ23 | style="text-align:left;"| Villanova | 34 || 34 || 29.0 || .452 || .347 || .918 || 4.7 || 1.4 || .9 || .4 || 9.7 |- class="sortbottom" | style="text-align:center;" colspan="2"| Career | 143 || 74 || 20.7 || .456 || .325 || .820 || 2.8 || 1.0 || .7 || .3 || 5.6