Ryan Sears is a founder and hands-on security engineer with 14 years of experience building products and consultancies that prioritize practical protection over hype. Based in Palo Alto, he founded Cali Dog Security to deliver accessible phishing protection (Phishfinder) and a profit-sharing consultancy model that gives employees a direct stake in outcomes. Deeply technical and pragmatic, he loves elegant Python solutions and exploit development and has contributed to notable open-source tooling such as the pure-Python fuzzing framework Sulley. His background includes infosec roles at Palantir and university security work, giving him experience across product, research, and incident-driven engineering. Known for finding and breaking things, he blends offensive security instincts with product-focused engineering to secure systems at scale.
14 years of coding experience
5 years of employment as a software developer
Bachelor's degree, Computer Networking and System Administration, Bachelor's degree, Computer Networking and System Administration at Michigan Technological University
A pure-python fully automated and unattended fuzzing framework.
Role in this project:
Back-end Developer
Contributions:67 commits, 11 PRs, 11 pushes in 4 years 6 months
Contributions summary:Ryan primarily contributed to the core functionality of the `sulley` fuzzing framework, focusing on improving code quality and addressing bugs. They removed carriage return characters from text files across the project using a find and replace command. Further work involved refactoring the logging system, replacing the `log()` function with a more robust Python logging facility. Additionally, the user fixed a bug in the `sessions.py` file.
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