With a fortune of $33.7 billion, former New York City mayor Michael Bloomberg recently landed on our list of the richest self-made billionaires.
Though his 12-year run as mayor ended in 2013, the billionaire remains as busy as ever, and is spending plenty of money as he goes. After all, he hopes to give away his entire fortune before he dies.
From his early days working on Wall Street to his generous philanthropic donations, here's how Bloomberg made - and spends - his billions.