Mike Shaver

Shaver attended high school at Lisgar Collegiate Institute in Ottawa, where he began working with Ingenia Communications Corporation, an Ottawa-area computer consultancy that later dissolved. Starting as a summer student who worked as a system administrator and software developer, he was promoted to chief systems architect and eventually Chief technical officer (CTO).^{[citation needed]}

Shaver eventually left to work at Netscape Communications^[1][2] and later zerøknowledge, Cluster File Systems, and the Oracle Corporation.^[3] Beginning as a visiting developer, he became a founding member of the Mozilla Organization in 1998.

He was VP of Engineering and VP of Technical Strategy for the Mozilla Corporation where he advocated for open web standards.^[4][5][6] At Mozilla, Shaver worked with Mike Schroepfer, who also later began working at Facebook.^[7]

In 2007, he handed out business cards with "ten fucking days" hand-written on them, referencing a recent ten-day turnaround for a security flaw from notification to releasing a fixed version of Firefox. His intent was to show confidence in Mozilla's ability to quickly address security issues.^[8][9] This was misunderstood as a general or official Mozilla policy.^{[citation needed]} Shaver stayed at Mozilla for six years before he departed to Facebook, where he became the director of engineering from 2011 to 2016.^[10]

In 2016, Shaver returned to Canada and joined Real Ventures. His first investment was the startup called integrate.ai, where he also serves as CTO.^[10]

In 2022, Shaver began working for Shopify as a Distinguished Engineer.^[11]

In October 2024, Shaver joined the Ladybird Browser Initiative as a board member.^[12]

In 2025, Shaver began working for Fastly as Vice President of Engineering.^[13]