How has marissa mayer’s leadership role influenced employment for women in business?

Marissa Mayer led the development of Google's most successful products for more than 10 years and was appointed CEO of Yahoo in 2012. er tenure at Google involved work on some of the company's most recognizable and successful products, including Google Maps, Google Earth, Street View, Google News and Gmail.

It is my understanding that the earliest black community institutions were mutual aid societies.  On top of that, the black Freemasons united black men from several northern cities.