15 Women to Watch in Tech

Michelle Zatlyn
11 of 14

Michelle Zatlyn

The secret sauce behind Michelle Zatlyn’s fast-growing company? Test, test, and test some more. When she co-founded CloudFlare it was originally a Web security service only, but Zatlyn learned through customer research that IT managers desperately needed a security solution that didn’t slow down their websites. So she did more research and ran tests, eventually figuring out a way to optimize the delivery of Web pages while blocking threats and limiting abusive bots and crawlers from wasting bandwidth and server resources. CloudFlare became two products in one: a spam-killer and performance-enhancer. As a result, in just over a year CloudFlare signed on more than 100,000 customers. It currently receives more traffic than Twitter, Wikipedia, and Amazon combined.