Confirming Di Matteo's appointment, chief executive Ron Gourlay said the former Blues midfielder is the right man to lead Chelsea onto further success.

He said Roberto's quality was clear for all to see when he galvanized the squad last season and helped the club make history.

Gourlay said the owner and board are very pleased with his work and he will continue with his good work for the next two years.

“We all believed he was a young coach with much to offer when we first asked him to take charge of team affairs in March and the manner in which he worked with us, the players and all the staff, and the success that followed, made him the clear choice when it came to selecting the person to take us forward in the seasons to come,’’ said chief executive Ron Gourlay

Di Matteo said he is delighted to have been appointed as manager and first-team coach.

“We all achieved incredible success last season that made history for this great club. Our aim is to continue building on that and I'm already planning and looking forward to the squad's return for pre-season,” he said

Matteo who also won the FA Cup while on a three-month temporary capacity at Stamford Bridge, has been given the job three weeks after his boys beat Bayern Munich in the Champions League final.

Di Matteo replaced Andre Villas-Boas in March, after he was sacked having endured a bad spell at Stamford Bridge registering only three wins in their last 12 games.