A 6 ft 6 in (1.98 m) forward from Milwaukee, Wisconsin, Cook began his collegiate career at Northwest Florida State College. He redshirted a year after originally committing to Iowa State men's basketball. As a sophomore, he transferred to Oregon since his father was friends with one of Oregon's assistant coaches.[1] He earned second-team All-Pac-12 honors as a junior. As a senior, Cook averaged 14.8 points and 5.1 rebounds per game and earned first-team All-Pac-12 honors. He was named Pac-12 Tournament MVP after averaging 17.3 points and 5.3 rebounds per game in the tournament.[2] He helped Oregon achieve a 31–7 record and reach the Elite Eight while leading the team in steals with 54. In his three years at Oregon, Cook scored 1,259 points.[3]
Cook signed with UNICS Kazan on January 28, 2020.[10] He played one game for the team before the season was suspended. Cook parted ways with the team on June 14.[9]
Cook played for the Golden Eagles in the 2018 edition of The Basketball Tournament (TBT). In five games, he averaged 14.6 points, .8 steals, and shot a team-leading 61 percent from the field. The Golden Eagles reached the semi-finals before falling to Overseas Elite. Cook was also a member of the Golden Eagles team that won the 2020 tournament.