Mason Bumba is from Chicago, Illinois. He is a 14x Martial Arts World Champion. He claims that he does not have any trouble with bullies because they are all afraid of him. 
Mason Bumba's audition in Episode 1102 consisted of performing a martial arts routine with his bō staff, flips, and acrobatics. Howie Mandel, Mel B, Heidi Klum (her vote was untelevised) and Simon Cowell all voted "Yes,"  sending Mason to the Judge Cuts.
Mason Bumba's Judge Cuts performance in Episode 1109 consisted of doing a martial arts routine with a sword, Kamas, and a bo staff with acrobatic flips. Mason's performance was not strong enough for the judges to send him to the Quarterfinals, eliminating him from the competition along with Ian Stewart, instead of Ryan Stock & AmberLynn.