Marissa Mayer, 43 — Est. $600M
Former Yahoo CEO and Google VP of consumer products Marissa Mayer made millions working for these tech giants. She is recognized as Google’s first female engineer and one of the most powerful businesswomen in America. A graduate of Stanford University, Mayer specialized in artificial intelligence, earning honors degrees in M.S. computer science, and B.C symbolic systems. After employment, Marissa invested in – among other things – launching a tech incubator. Mayer also wants to get involved in an eyebrow-raising deal where she wants to convert an old funeral home into a working space for women and families.