The group, which has eight committed reformers standing for the seven seats reserved on the board for members of the profession, has mounted a campaign to sign up high-profile supporters in the past few days.
Rogers joins a growing list of backers, which includes Terry Farrell, Amanda Levete, of Future Systems, and Piers Gough of CZWG.
The addition of Rogers clearly ups the ante, in both political and architectural terms. One of the reform candidates, Nick Tweddell, said the group was extremely happy at the development.
'We are delighted; absolutely delighted,' he told the AJ this morning. 'In terms of the political, he sits in the House of Lords and has some real influence.
'It is phenomenal news for the Reform Group. To have people like Richard Rogers and Terry Farrell means that we've got a discussion about these issues at the very top of the profession.
'But it is just great to have all the people supporting us that we do,' he added.