|Date of birth||30 July 1964|
|Place of birth||Bergamo, Italy|
|Height||1.70 m (5 ft 7 in)|
|* Senior club appearances and goals counted for the domestic league only|
From 2003 to 2007 he served as assistant manager of Atalanta. In July 2007 he was then moved in charge of the Allievi Regionali youth team, and was successively promoted at the helm of the Primavera under-19 team in July 2009.
On 8 January 2010 he was then appointed head coach of Atalanta in a caretaker role, following Antonio Conte's resignation from his managerial position at the club. He then guided Atalanta on a Serie A Week 19 game ended in a 0–1 away loss to Palermo on 10 January 2009 and returned to his previous role after Bortolo Mutti was appointed as head coach the very next day.
- "Comunicato stampa" (in Italian). Atalanta BC. 2010-01-07. Retrieved 2010-01-07.[permanent dead link]
- "MUTTI ALL'ATALANTA" (in Italian). Atalanta BC. 2010-01-11. Retrieved 2010-01-11.[permanent dead link]
- "UFFICIALE: Foggia, panchina affidata a Bonacina" (in Italian). TuttoMercatoWeb. 10 June 2011. Retrieved 10 June 2011.