Mahdlo, which provides activities and opportunities for young people in Oldham, said Mr Doran had died shortly before midnight on Friday, April 24.
The post by Chris Wareing, chairman of the board, said: "It is with the saddest of hearts that I must inform you that after a brave three week battle against Covid-19, our CEO Mike Doran passed away.
"Each of us at Mahdlo Youth Zone not only grieve at the passing of a tremendous individual and the driving force behind our fantastic organisation, but also for the loss his family suffers.
"Our hearts and prayers go out to them.
“As we go forward, let us continue to adopt Mike's values and ensure that Mahdlo represents the very best of standards, as a fitting tribute to a very fine leader.
"We have lost a dear friend and faithful colleague.
"His insistence of 'excellence' will always inspire all of us."
Sean Fielding, leader of Oldham Council, posted: “Tragic news. Mike’s work at @mahdloyz literally changed the lives of local young people for the better.
"He will be sorely missed, but he leaves an incredible legacy.”
