sentences:  He was successively promoted to the head coaching position in 2002.From December 2003 to February 2005 he served as head coach of Serie D side Valle d'Aosta and in the latter matchdays of the 2005–2006 season he coached Pergolese, another Serie D team.In 2006–07, Osio served as head coach of Crociati Parma (also known as Crociati Noceto), with whom he won Eccellenza and ensured promotion to the 2007–08 Serie D.
   On July 2007, he was chosen by Serie C2 club Nuorese for their head coaching position.