The presidential race's top donors

Michael Bloomberg

Total given: $3,220,238 D

Unlike many of the less-than-public-figures making this list, New York City Mayor Michael Bloomberg isn’t hard to pick out of a crowd of suits. After working his way though college at Johns Hopkins, Bloomberg found a job at Salomon Brothers in the mid-60s. Within a decade he had become a partner, and eventually started his own information-tech company, Bloomberg L.P., which boomed throughout the

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Michael Bloomberg

Total given: $3,220,238 D

Unlike many of the less-than-public-figures making this list, New York City Mayor Michael Bloomberg isn’t hard to pick out of a crowd of suits. After working his way though college at Johns Hopkins, Bloomberg found a job at Salomon Brothers in the mid-60s. Within a decade he had become a partner, and eventually started his own information-tech company, Bloomberg L.P., which boomed throughout the late-80s and is still going strong. His jump from mogul to mayor has only increased his celebrity. Bloomberg has weighed-in on national politics from time to time, coming out in favor of Obama’s endorsement of marriage equality while reprimanding both candidates on their silence on gun control amid the shooting in Aurora, Colo., this summer.

(Joshua Roberts/Reuters)

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