*Club domestic league appearances and goals, correct as of 1 August 2015
In this Spanish name, the first or paternal surnameis Giacomazzi and the second or maternal family name is Suárez.
Guillermo Gonzalo Giacomazzi Suárez (born 21 November 1977) is a Uruguayan football coach and former player,[1] currently in charge as Daniele De Rossi's assistant coach at AS Roma.
He started in Uruguay, playing for Bella Vista before moving to Peñarol. In 2001, he was signed by Lecce and made his debut match in Italian Serie A on August 27, 2001, against Parma, a game which Lecce drew 1–1. He played for the team for the following six years, becoming its captain.
On January 31, 2007, he was signed by Palermo. On February 11, 2007, he played his first Serie A match for Palermo, against Empoli[3] In the following season, he was loaned to Empoli, and in 2008, he returned to Lecce. On 6 July 2010, he signed a new four-year contract with Lecce.[4]
Giacomazzi stayed with Lecce in 2012 despite their relegation from Serie Ain2011–12 and subsequent expulsion from the Serie B for their part in the Calcio Scommesse scandal. Giacomazzi, the club's captain, rejected offers from Serie A sides Parma and Torino and Serie B team Cesena to remain at the club.[5]
In 2013, he joined Siena, a team that was excluded from the Serie B at the end of the season due to financial problems. Thus, he became a free agent and joined Perugia for the 2014–15 Serie B season.[6]
On 15 February 2020, Giacomazzi was announced as one of the two assistants to head coach Devis Mangia in charge of the Malta national football team.[7] On 11 October 2022, he rescinded his contract with the Malta Football Federation,[8] and subsequently joined Serie B club SPALasDaniele De Rossi's technical collaborator.[9] He was relieved from his post, together with De Rossi and his entire staff, on 14 February 2023.[10]
In January 2024, following De Rossi's appointment as new Roma head coach, Giacomazzi followed him as his assistant.[11]
In addition to his native Uruguayan citizenship, Giacomazzi is also an Italian citizen since 2004.[12] He is married to an Italian woman from Lecce, with whom he had two children.[13]
