The four-time Finals MVP recently joined Michael Jordan this year to become the second NBA athlete billionaire. Moreover, James is the only active NBA player to become a billionaire in the world. LeBron had made some smart investments over the years, which have made him a billionaire. Some of his major investments have been in the Fenway Sports Group, Sprill Hill Entertainment, Uninterrupted, Ladder, and Blaze Pizza. James and his buddy Maverick Carter are business partners and have earned some great profits by making lucrative investments.