Silicon Valley is decidedly not a fashion center. Think khakis, Birkenstocks, and Mark Zuckerberg's hoodie.
But a few Silicon Valley executives run impressive companies and look good doing it.
Here's our ranking of the most stylish people in tech:
14. Melody McCloskey, Founder and CEO of StyleSeat
McCloskey runs StyleSeat, a site that lets you find and book beauty professionals nearby.
13. Aaron Levie, CEO of Box
Levie is the CEO of multi-billion-dollar company, Box. He's also known for his colorful kicks, which he frequently pairs with a sports coat. Here's a close-up of his favorite shoes and equally bright socks.
JDLasica via Flickr
12. Brit Morin, Founder and CEO of Brit + Co
Brit Morin runs a modern day Martha Stewart brand, Brit + Co. She gives a lot of creative how-to advice, and her creativity shines in her wardrobe as well.
11. Jeremy Stoppelman, CEO of Yelp
Stoppleman has nailed the sports coat and jeans look.
10. Tristan Walker, Founder and CEO of Walker & Co
Walker runs a grooming company; naturally he likes to keep up his appearance.
9. Margit Wennmachers, Co-founder of The Outcast Agency and partner at Andreessen Horowitz
Wennmachers was recently profiled in SF Gate and dubbed the "marketing guru" of Silicon Valley. She often has six-course dinners in her home for friends in technology and gives lots of CEOs advice - including what to wear to work.
8. Ruzwana Bashir, co-founder and CEO of Peek
Bashir runs a travel company, and you can find her rocking flirty, colorful frocks. She's seen here with April Dembosky of the FT.
7. Ilana Stern, founder and CEO of Weddington Way
Stern, right, runs a bridesmaid dress startup, Weddington Way.
Ilana Stern via Twitter
6. Ali Pincus, Co-founder One Kings Lane
Ilana Stern via Twitter
Pincus started a home decor retail site, One Kings Lane. She's great at outfitting homes and herself. She is shown here getting married to Mark Pincus, CEO of Zynga.
5. Gentry Underwood, Founder of Mailbox
Underwood created email management company Mailbox and sold it to Dropbox soon after launch for ~ $100 million.
4. Jess Lee, CEO and co-founder of Polyvore
Lee runs Polyvore, a way to discover and shop new fashion and beauty trends.
3. Jack Dorsey, CEO and Founder of Square
Dorsey is frequently cited for his style sense, but a few years ago, he had a much different look. His early Twitter days included a nose ring and T-shirts, not the suits and fedoras he wears now.
AP
2. Sam Shank, founder and CEO of HotelTonight
AP
No hoodies for Shank, who runs mobile hotel booking company HotelTonight.
HotelTonight
1. Marissa Mayer, CEO of Yahoo
Mayer has both an incredible career and fashion sense. She has a closet full of Oscar De La Renta and she recently did a big spread in Vogue.