Michelle Zatlyn is a Canadian businesswoman known as the co-founder, President, and Chief Operating Officer of Cloudflare, an American content delivery network provider and cybersecurity firm. She co-founded Cloudflare in 2009 with Harvard Business School classmates Matthew Prince and Lee Holloway. As President and COO, she plays a key role in the company's operations and strategy. Cloudflare has grown to include 165 data centers, 12 million domains, and more than 800 employees.