Conversation so far:
Did she/does Marissa Mayer work for Google?
She joined Google in 1999 as employee number 20.
What was her position at Google?
She started out writing code and overseeing small teams of engineers, developing and designing Google's search offerings.
Did she ever receive a promotion to a higher position?
which helped land her a promotion to product manager, and later she became director of consumer web products.
Are there any other interesting aspects about this article?
She oversaw the layout of Google's well-known, unadorned search homepage.
She was also on the three-person team responsible for Google AdWords.
Did she hold any other positions there?
In 2002, Mayer started the Associate Product Manager (APM) program, a Google mentorship initiative to recruit new talents and cultivate them for leadership roles.
Does she still work at Google?
Mayer was the vice president of Google Search Products and User Experience until the end of 2010, when.

Question: Why did she leave Google?
Self-contained rewrite: Why did Marissa Mayer leave Google?