Pep Clotet says that the teenage sensation is continuing to progress at an impressive rate.
Bellingham's endeavour to chase a seemingly lost cause earned Scott Hogan the shooting chance at Barnsley which he took with aplomb, to secure Blues victory.
"Jude is a very modern player," said Clotet.
"When we put him with us in pre-season, he was the not the player he is now. But he did have that mentality to grow and grow and grow and realise what was working and what
"He started to mature, physically, a lot.
"He is very modern because he can play any position in the midfield. He has played centre midfield, on the wing, as a striker. He performs everywhere.
"If I put Jude in a line-up, from the team sheet the opposition coach will not have an idea where he is going to play.
"I am very happy personally to help him on his development as much as I can and the Club is happy to support him.
"I think we are doing something not only good for Birmingham but also for English football."
The 16-year-old remains very level-headed, despite his breakthrough and all the attention he is receiving.
"He is very grounded," said Clotet, who also praised Bellingham's team first mentality, for one so young. "The family has done a fantastic job on him. We are working together
with the family to make sure that stays like it is.
"All the lads in the locker room keep an eye on him as well because at the end of the day all the players are very down to earth and hard workers.
"And, to be fair, all the players have more trust in him than even myself! They all believe in him and help him."
Clotet added: "Jude is always learning because he sets high demands on himself and his performance.
"At Bristol City he learned two sides of a same performance: switch off from the football in the first-half to the football in the second. We had to play differently (when Bristol went to three at the back) and he executed that perfectly.
"Normally a young player gets stuck in the football they can produce rather than put himself at the service of the team. Jude puts himself at the service of the team."