Galitsios played only for AE Larissa, in 399 official League games (holding the team's all-time appearance record) and he is considered to be one of the club's best ever.
Giannis' son Georgios Galitsios is also a footballer, having played for K.S.C.
Lokeren Oost-Vlaanderen after spending four years with AEL.
Galitsios appeared in 17 matches for the senior Greece national football team from 1982 to 1984.
This biographical article related to a football defender from Greece is a stub.