He has been described as the "orchestra leader" behind the Romney 2012 campaign.
The Romney campaign said the calls were "sad" and "desperate".
He said that the Romney campaign had not yet decided whether, where or how to focus on early voters.
Several of his former aides have joined the Romney campaign.
The Romney campaign would love for the vote to drag on until three in the morning.
Nobody outside the Romney campaign could argue with that.
Someone in the Romney campaign was, apparently, an English lit major.
The Romney campaign spent at least $4m for less than 25% of the vote.
The Romney campaign used the phrase "you didn't build that", to create an election advertisement.
A spokesperson for the Romney campaign announced that they raised more than $3.2 million in the hours after the announcement of the decision.