Sara Blakely

Sara Blakely is founder and owner of shapewear brand Spanx, which sells undergarments, leggings, swimwear and maternity wear in 65 countries. A onetime door-to-door fax machine salesperson, Blakely made a makeshift undergarment using pantyhose to wear under white slacks.She initially shilled her new invention, which became shapewear brand Spanx, on the sales floor at various Neiman Marcus stores.While Spanx is a celebrity favorite, Blakely is becoming a celebrity herself. She is a guest judge on 'Shark Tank' and had a cameo in 'Billions.'Since 2015, she has been a co-owner of the Atlanta Hawks basketball team, along with billionaire Tony Ressler.