According to the Eclipse Development Process, the new project lead is "elected by the project's Committers and approved the the Project's PMC and the EMO(ED)". See:
As the time goes, I work on several different projects and I have more and more work to do everyday. So, I decided to step down as Acceleo's project lead. I'm glad to nominate Mariot as the new project lead, I have no doubt
he will help the project keeping delivering more and more value to the adopters. I stay in the Acceleo project team as a committer, but Mariot will be the leader.
Paul, is there something else to do on the portal?