Entrepreneur and philanthropist

State: New York

Age: 44

Claims to fame: He proposed a "Freedom Dividend," or universal basic income plan, to give $1,000 per month to every American adult to guard against large job losses from automation. It would be funded in part by taxes on firms benefiting the most from automation.

Biggest weaknesses: He has no political experience and doesn't have an obvious constituency within the party.

Miami moment: He claims his microphone was cut off when he tried to interject in the debate, but NBC says it didn't mute his mic.

Candidate visits to Michigan: Nov. 12 and May 4 in Detroit