[1] He also serves as an assistant coach for the PSP Gymers of the Women's Maharlika Pilipinas Basketball League (WMPBL).

CJ Perez played for San Sebastian College – Recoletos Stags, Ateneo De Manila Blue Eagles and Lyceum of the Philippines University Pirates.

[6] Perez played for Zark's Burger-Lyceum, which was composed of the core of the Pirates that won 18 straight games in the NCAA Season 93 tournament before losing in the Finals to the San Beda Red Lions.

[19] On February 2, 2021, Perez was traded to the San Miguel Beermen for Matt Ganuelas-Rosser, Russel Escoto, Gelo Alolino, and two future first-round picks.

[24] His averages of 12.6 points, 3.2 rebounds, and 2.6 assists and fearless brand of basketball was a silver lining in a campaign that saw the Philippines finish dead last in the World Cup.

[26] That team went on to sweep their competition in eight games, winning the gold medal[27] In 2020, Perez was among the 12 chosen for the Asia Cup qualifiers against Indonesia.

[29] Perez was also named to the FIBA 3x3 OQT lineup, along with SEA Games teammate Moala Tautuaa, Joshua Munzon, and Alvin Pasaol.