Michelle Zatlyn, COO & Co-Founder of CloudFare

Michelle Zatlyn is the COO and co-founder of CloudFare, a web security company that protects websites from attacks while optimizing their performances. The company got $332.1 million in funding from a whole host of investors, including Venrock, Fidelity Investments, Franklin Templeton Investments, Pelion Venture Partners, NEA, and Union Square Ventures. She landed in Fortune's "40 Under 40" list and Forbe's "Top 50 Women in Tech" lists for going from "a small town in Saskatchewan, Canada, to Harvard Business School, and on to build one of the most important security firms in the Valley," according to Fortune. Forbes reports that her company has a valuation of $3.5 billion and over 700 employees.

Her best advice: "One piece of advice that someone shared with us early on that we really took to heart is if you’re going to build a company, have a mission," she said, according to the Mission podcast. "Humans, especially today, want to be part of something.”