Marissa Mayer

Marissa Mayer (
)

Power exec Marissa Mayer is turning the tech world upside down — restoring the buzz to Yahoo! — and she apparently likes to kick up her heels at home, too. Mayer, 38, reveals two of her faces in the latest Vogue: glamour gal in blue Michael Kors, as well as self-described tech geek. (Note the face on her tablet.)