Michael Bloomberg

New York's Mayor, Michael Bloomberg enjoys a new challenge as of today, eradication of gun violence. Though playing on the social front, Mike has become $5 Bn richer his year all because of his financial data Bloomberg firm he founded in 1982. Owning about 88% of the company, Bloomberg is said to own houses in the major places around New York. He also donates vigorously to various causes, the recent one with Bill Gates Foundation.