Former Chelsea boss Claudio Ranieri will be in charge of Juventus' return to the top-flight, after signing a three-year contract with the Turin giants on Monday.
The 55-year-old replaces Didier Deschamps, who led Juve to the second-division title but quit as coach last week.
Ranieri has the job of forging a Juve side capable of competing for a Champions League qualification slot, at least, after saving Parma from the drop in the season that has just ended.
The 27-time Italian champions have spent the 2006-07 season in the second division, as punishment for the club's role in last summer's Calciopoli referee-rigging scandal.
"We'll give everything to get back to the top as quickly as possible," said Ranieri.
"Juve are developing in order to be able to be successful as soon as possible.
"But we'll have to suffer some more next year. You can't have everything immediately".
He also told fans his Juve would seek to regain its position as "Italy's girlfriend" with its on-field heroics.
Ranieri, who had been linked to the vacant job at Manchester City, embarks on the new adventure after pulling off a minor miracle at Parma.
He took Parma over in February, when they were in desperate trouble at the bottom of Serie A, and steered them to safety.
He said Juve's offer was a "bolt from the blue" that he could not refuse.
"Juventus are a great opportunity for me. I'll do my best to turn the club's plans into reality".
Italy and Juve goalkeeper Gianluigi Buffon welcomed the arrival of Ranieri, who will take charge of the team on July 1.
"It seems the right choice to me, a shrewd one," he said.
"He has experience at foreign clubs, he knows how to manage relations with the press and he's shown his ability in difficult situations".
Juventus turned to Ranieri after failing to persuade Italy's World Cup-winning coach Marcello Lippi to return to them.
Ranieri coached Chelsea from 2000 to 2004, leading the London giants to the Champions League semi-final in his last season at the club.
The Rome-born coach won the Spanish Cup during the first of two stints at Valencia (1996-1998). His second spell at the club (2004-2005) was unsuccessful.
He also trained top Spanish side Atletico Madrid during the 1999-2000 season.
In Italy, he won an Italian Cup with Fiorentina (1993-97) and coached Napoli (1991-93) and Cagliari (1988-91).
He was a professional footballer with AS Roma, Catanzaro, Catania, Napoli and Palermo in the 1970s and 80s.