John Stearns is a seasoned technology executive and current CTO at Roo, bringing two decades of software engineering and leadership experience across startups and large consumer platforms. He progressed through engineering and management roles at Glassdoor—culminating as Interim CTO—and earlier senior engineering positions at Yahoo! and Sony Online Entertainment, blending hands-on development with strategic product delivery. Based in Encinitas, California, he focuses on building reliable B2B systems and scaling engineering organizations while advising Roo Code on developer-facing initiatives. Known for moving from deep technical contributions to executive strategy, he pairs a practical computer science background from SUNY Fredonia with a track record of operationalizing complex web services.
1 year of coding experience
16 years of employment as a software developer
BCS, Computer Science, BCS, Computer Science at State University of New York at Fredonia
Autonomous coding agent right in your IDE, capable of creating/editing files, executing commands, using the browser, and more with your permission every step of the way.
Contributions:8 PRs in 21 days
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John Stearns - Chief Technology Officer at Roo Code