Gee originally was trained at the Liverpool F.C. Academy, before emigrating to Canada in 1982. Once in Canada he served as the general manager for Soccerworld II in Mississauga, Ontario, and eventually forming his own management company DG Sports Inc in 1993. He originally negotiated with the city ofMississauga in order to promote soccer matches at Hangar 66. In 2001, he purchased the Toronto Olympians from Coffee Time founder Tom Michalopoulos, and retained his position as head coach and general manager. Gee also attempted promoting indoor soccer in 1998 by applying for a National Professional Soccer League franchise in Mississauga. In 2004, Gee sold his club to John O'Neil, the Director of the Durham RegionSoccer Association. In 2014, he became operations manager for League1 Ontario as his management company began operating the league along with the Ontario Soccer League, and Ontario Academy Soccer League. The Ontario Soccer Association awarded the President's award to DG Sports Inc.
Managerial career
Gee began his managerial career in 1985 in the Premier Division of the Toronto and District League with Toronto Emeralds, and secured the Ontario Cup. In 1988, he served as the team manager for the North York Rockets in the Canadian Soccer League. He later served as the head coach for the Ryerson Rams at the college level. In 1995, he was the head coach for Toronto Italia in the Canadian National Soccer League. In 1997, he was given the position of general manager and assistant coach for the Toronto Lynx of the USL A-League. He was primarily responsible for assembling and organizing the club's first roster. Gee brought in international imports Martin Dugas, Lei Gong, and Darren Tilley, and local Canadian National Soccer League players. Later in the season Gee resigned from his position after differences with the team owners. Gee was credited by team officials and players for organizing a capable team to perform in the A-League. In 1998, Gee was appointed the head coach of the Toronto Olympians in the Canadian Professional Soccer League. He assembled a creditable squad primarily due to sponsorship money from Coffee Time and team owner Tom Michalopoulos. During his tenure with the organization he established Toronto as a powerhouse and a championship dynasty within the league. For his efforts the league awarded him the CPSL Coach of the Year award in 1998, and 1999. On June 20, 2001 he purchased the club from Coffee Time Donuts meanwhile retaining his position as head coach and general manager. In 2002, Gee relocated his club to Mississauga and relinquished his role as head coach to Darren Tilley and Tony Laferrara in 2003. In 2004, Gee sold his club to John O'Neil, the Director of the Durham Region Soccer Association. In 2015, the Ontario Soccer League awarded Gee with the Ted Coombs award.