Mbereko began his collegiate career for Colorado College during the 2022–23 season.[2] During his freshman year he appeared in 30 games with 29 starts, and posted a 9–16–2 record, with a 2.30 GAA and .925 save percentage. He led the NCAA among freshmen goaltenders and ranked fifth overall with a .925 save percentage. Mbereko had the NCHC's best save percentage (.925), while his goals against average (2.30) was tied for third in the conference. Following the season, he was named to the All-NCHC Rookie Team and All-NCHC Second Team.[3]
During the 2023–24 season, in his sophomore year, he started all 37 games and posted a 21–13–3 record, with a 2.40 GAA and .915 save percentage. During conference play, Mbereko made 24 starts and posted a 14–8–2 record, with his 14 wins tying for first in the conference. He led the NCHC with a 2.15 GAA and a .927 save percentage. He became the second player in NCHC history to receive three consecutive monthly awards as he was named NCHC goaltender of the month for December, January, and February. During the month of February, he posted a 3–2–1 record and led the NCHC with a .939 save percentage and 168 saves, and ranked second in the NCHC with a 1.79 GAA. He allowed two goals or fewer in five of his six starts and no more than three in any game, with all six games coming against ranked opponents.[4] He was also named HCA National Goaltender of the Month for February 2024.[5] Following an outstanding season he named the NCHC Goaltender of the Year, and a unanimous All-NCHC First Team selection.[1] He was also named an AHCA West First Team All-American and a top-three finalist for the Mike Richter Award.[6][7]
Personal life
Mbereko was born to Isaac and Lauren Mbereko and has one brother, Zak.[8] His father played professional rugby in Zimbabwe for 20 years.[1]