Fox was born as Ulrich Alexander Fox to
Dianne Gerace and Ulrich Fox in Toronto, Canada. His mother was an Olympic high jumper and pentathlete
He’s of Bahamian, Canadian, Italian, and Scottish descent. He played high school basketball at Kingsway Academy in Nassau, Bahamas and at Warsaw Community High School in Warsaw, Indiana.
As one of the top recruits in the country, Fox was ruled
ineligible by the Indiana High School Athletic Association (IHSAA) prior to his senior season due to him already completing eight semesters between the Bahamas and Indiana. He was still selected to the Indiana All-Star team.