Retired neurosurgeon and former presidential candidate Dr. Ben Carson has ruled out serving as part of a Trump administration, according to a report from The Hill.

The TV host Armstrong Williams, who is a close friend and ally of Carson, told The Hill that Carson was not interested in serving the administration in any official capacity, although would consider a more informal role.

Williams also denied reports that Carson had been offered a role, adding that “he was never offered a specific position.”

“Dr. Carson feels he has no government experience, he’s never run a federal agency. The last thing he would want to do was take a position that could cripple the presidency,” he said.

Donald Trump himself had previously suggested that Carson would join his team, saying that he hoped that Carson “will be very much involved with my administration.”

Carson ran for the Republican nomination before suspending his campaign in March following an unsuccessful Super Tuesday where he failed to win a single state. He later went on to become an enthusiastic supporter of Trump’s candidacy.

He has since become the national chairman of the My Faith Votes charity, which encourages Christians to vote.

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