The school announced his decision Saturday.
The 6-foot-5 French guard averaged 10.6 points, 6.6 rebounds, 3.2 assists and 1.2 steals last season. He was named the West Coast Conference tournament most outstanding player while helping the Zags qualify for their 22nd straight NCAA tournament.
Gonzaga finished 31-2 and was in position to earn a No. 1 seed before the NCAA tournament was canceled due to the coronavirus pandemic.
Zags big man Filip Petrusev, last year's leading scorer and rebounder, opted to play professionally in Serbia, but Zags coach Mark Few has signed one of the program's best recruiting classes for next season.