Serena Williams

Serena Williams is synonymous with tennis— and with good reason, as she is one of the sport’s foremost athletes. Throughout her career, she has managed to win over 23 Grand Slam Titles, which is the most for any player in the Open Era. In fact, she is only second to Margaret Court when it comes to total wins. Outside of tennis, she is also widely regarded as one of the greatest athletes of all time. This comes with many perks, of course, including being ranked among Forbes’ Highest-Paid Athletes in the World.

So, where does she use her investment money? Establishing her own brand and business, of course. Back in 2009, she launched a collection of signature jewelry and handbags, which were sold on the Home Shopping NetWork. This was followed by a nail collection with HairTech, which she even became a certified nail technician for!