The St Lucia-born stopper was one of the heroes of Villa's memorable NextGen success during the 2012-13 season.
As well as scoring in the stunning 5-1 demolition of Sporting in the final group game in Lisbon, he produced terrific displays in the last 16 and quarter-final games against Ajax and Olympiacos to help guide Villa into the finals weekend in Lake Como.
He was equally impressive during that triumphant Easter weekend in Italy as Villa defeated Sporting in the semis and Chelsea in the final to be crowned champions of European youth football.
Donacien also played 18 times for the U21s and trained with the first team on several occasions.
In 2011-12, Donacien was a regular fixture alongside Richard Bryan in the centre of defence for the U18 team.
He scored one goal in an 11-3 win over MK Dons in October - a result which halted a six-game losing run for the claret and blues.
Donacien was also impressive in Villa's NextGen group stage victories over Fenerbahce, Rosenborg and Ajax - the boys in claret and blue shipping just one goal in those three encounters.
The defensive ace first came to prominence for Villa's U18 team in 2010-11.
He scored goals in victories over Reading and Bristol City in the Barclays Premier Academy League.