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|Date of birth||4 December 1984|
|Place of birth||Palermo, Italy|
|Height||1.80 m (5 ft 11 in)|
|2002–2004||→ Messina (loan)|
|2004–2005||→ Tolentino (loan)||6||(0)|
|* Senior club appearances and goals counted for the domestic league only.
Early career and Roma
Born in Palermo, Sicily, Giambruno started his career at Messina. In summer 2002, he was exchanged with Armando Guastella in co-ownership deal, both tagged for €2.5 million nominal value for 50% rights. He signed a 5-year contract. In June 2004, Roma gave up the remain rights of Guastella and Messina sold the remains rights of Giambruno to Roma for a fee of €70,000. It made Roma registered a financial income of €2.43 million for Giambruno and €2.5 million financial cost for Guastella, which in total a cost of €70,000.
Lega Pro clubs
In 2009-10 season, he worked as Nicholas Caglioni's backup. Without a club for 1 season, in July 2011 he joined Calcio Como, replacing departed Paolo Castelli. Giambruno made his debut in the first round of 2011–12 Coppa Italia.
- "Approvazione Situazione Mensile al 31 maggio 2004" (PDF). AS Roma (in Italian). 2004-06-30. Retrieved 14 September 2011.
- "BILANCIO DI ESERCIZIO AL 30 GIUGNO 2006" [2005/06 Annual Report] (PDF). AS Roma (in Italian). Retrieved 14 September 2011.
- Stefano Sica (2009-03-24). "UFFICIALE: Giambruno alla Pro Patria". Tutto Mercato Web (in Italian). Retrieved 2010-04-01.
- "Prosegue la preparazione. Domani prima amichevole.". Calcio Como (in Italian). 29 July 2011. Retrieved 14 September 2011.
- "Como Prato: 1 - 2". Calcio Como (in Italian). 7 August 2011. Retrieved 14 September 2011.