35. Marissa Mayer
$600 Million Age: 43 Residence: Palo alto, california
This spring Mayer launched tech incubator Lumi Labs, cofounded with former Yahoo senior vice president enrique Munoz Torres. Lumi is focused on consumer media and artificial intelligence and is reportedly based in google’s original Palo Alto office. Mayer, who served for five years as ceO of Yahoo, left in June 2017 when the bulk of the struggling internet company was sold to Verizon for nearly $4.5 billion. Much of her fortune comes from her 13-year stint at google, where she was one of its first employees. she sits on Walmart’s board.