Christian Lee is a Canadian–American mixed martial artist of Chinese–Singaporean and Korean heritage who competes in ONE Championship. He is the current ONE Lightweight World Champion and the 2019 ONE Lightweight World Grand Prix Champion. Born in Vancouver to a Chinese-Singaporean father and a Korean mother, Lee moved to Hawaii when he was five years old. As both his parents are decorated martial artists, Lee started training in the sport from a young age. At the 2012 USA Pankration national championships, Lee won two national titles and one silver medal. He also won the World Championship in the MMA division at the 2012 World Athlima Pangration Federation championships. On May 17, 2019, Lee defeated Shinya Aoki to win the ONE Lightweight (170 lbs) World Title and became the youngest-ever male mixed martial arts world champion. Lee trains out of United MMA in Waipahu, Hawaii and Evolve MMA in Singapore, alongside his teammate and sister, Angela and her husband, Bruno Pucci, who also competes in ONE Championship's bantamweight division.