Transferred to Duke following three collegiate seasons at Wyoming (2023-24) and Loyola Maryland (2024-26).
Loyola Maryland (2024-26)
Appeared in 58 games with 49 starts over two seasons at Loyola Maryland, reaching 20 points 14 times with the Greyhounds.
Averaged 13.0 points, 3.8 rebounds, 2.7 assists and 1.7 steals per game during his Loyola career.
Earned Academic All-Patriot League honors as a junior in 2025-26 after averaging 13.1 points, 3.6 rebounds, 2.7 assists and 1.7 steals per game in 27 contests, including 18 starts.
Led the team in steals (44) and ranked second in assists (74) and third in scoring (353), while shooting 46.1 percent from the field during junior season.
Scored a season-high 27 points at Fairfield (Nov. 16, 2025) and posted 10 assists with 18 points against Coppin State (Nov. 30, 2025).
Started all 31 games during his first season at Loyola in 2024-25 and earned College Sports Communicators Academic All-District honors.
Led the Patriot League in both steals (54) and steals per game (1.7) in 2024-25, while averaging 13.0 points, 4.0 rebounds and 2.7 assists per contest.
Ranked second on the team in scoring and assists and led the Greyhounds in free throws made and attempted.
Scored a career-high 32 points at Colgate (Feb. 8, 2025) and added 27 points against Navy (Jan. 11, 2025) during the 2024-25 season.
Wyoming (2023-24)
Appeared in 10 games as a true freshman.
Made his collegiate debut in the season opener against Northern New Mexico (Nov. 7, 2023), finishing with two points, three rebounds and three assists.
Collected season-highs of three points and four rebounds versus South Dakota Mines (Dec. 5, 2023).
High School
Graduated from Western Reserve Academy in Hudson, Ohio.
Rated as a three-star prospect by 247Sports and ranked the No. 28 point guard, No. 7 player in Ohio and No. 188 overall prospect nationally in the 247Sports Composite.
Helped Western Reserve Academy capture the Ohio Prep Conference championship while averaging 18.0 points and 6.0 rebounds per game as a senior.
Represented Canada at the FIBA U17 Basketball World Cup and the FIBA U16 AmeriCup.
Averaged 6.7 points, 3.7 rebounds and 1.1 assists per game at the FIBA U17 Basketball World Cup.
Competed on the Nike EYBL circuit with Indy Heat.
Personal
Native of Waterloo, Ontario.
Son of Margaret and Doros Theodosiou. Has one younger brother, Michael.