Hasn't RMS already officially stepped down? He resigned from the FSF board, he is still Chief GNUisance.
What position does he hold within today's GNU project other than being a wise old person (wise with respect to his topics of expertise) who is respected a lot? While the GNU project is very loose in its organization, it is RMS who decides what projects get accepts into the GNU project, who is or isn't a GNU maintainer, and has the final say on anything related to the project.