This article needs additional citations for verification. (March 2019)
|Date of birth||8 March 1928|
|Place of birth||Agrate Brianza, Italy|
|Date of death||27 March 2019(aged 91)|
|Place of death||Agrate Brianza, Italy|
|–||A.C. Pro Sesto|
|1949–1950||Società Sportiva Pro Lissone|
|* Senior club appearances and goals counted for the domestic league only|
During the Second World War, Giambelli worked as a laborer at the Magneti Marelli of Sesto San Giovanni, and work breaks, playing football in the field company, to be noticed by some scout of the A.C. Pro Sesto.
After the war, and after the junior teams, played for a year in Olginatese (the Olginate team), just outside Lecco. In 1949, went to Pro Lissone, and then finish in Monza Soccer team with whom he won the championship of the C series coming to Serie B.
Giambelli remained 5 years in Monza, but at the age of 27 years decided to discontinue football career and to use the degree of surveyor dedicated to the construction.
- "È morto Valentino Giambelli, costruttore ed ex Presidente del Monza" (in Italian). mbnews.it. Retrieved 2019-03-29.
- "E' morto Valentino Giambelli, il papà delle Torri Bianche" (in Italian). giornaledilecco.it. Retrieved 2019-03-29.