I always did something I was a little not ready to do. I think that's how you grow. When there's that moment of 'Wow, I'm not really sure I can do this,' and you push through those moments, that's when you have a breakthrough.

On the same day "Yahoo!" announced her hiring - Mayer revealed that Marissa Mayer was pregnant. S. She also oversaw the layout of Google's well-known unadorned search homepage.

She is the youngest CEO of a Fortune 500 company and has been ranked number 14 on the list of America's most powerful businesswomen of 2012 by Fortune magazine. Previously Marissa Mayer was a long-time executive and key spokesperson for Google. Marissa Ann Mayer (pronounced /ˈmaɪər/; born May 30 1975) is President and CEO of Yahoo!.