BuzzFeed first reported Steel would join the Romney campaign, and a Romney aide confirmed the move. 

As BoehnerJohn BoehnerBoehner compares Trump to Teddy Roosevelt Boehner: 'Thank God' I wasn't in the middle of election Ryan delays committee assignments until 2017 MORE’s spokesman, Steel is well acquainted with the budgets spearheaded by Ryan, the House Budget Committee chairman. 

Ryan’s budget framework, which includes a broad overhaul of Medicare that Democrats believe can be a political plus for them, is expected to be central to the discussion for the rest of the campaign.