Bill Demirkapi
Member Of Technical Staff at OpenAI
Greater Boston United States
Summary
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Rockstar🎓
Top SchoolBill Demirkapi is a security researcher and Member of Technical Staff with a decade of experience building scalable defenses and automated mitigation systems across startups and major tech firms. He has driven high-impact security work at Microsoft MSRC—leading emerging threats, responding to in-the-wild zero-days, and publishing at Black Hat and DEF CON—and recently contributed systems and security engineering that sped xAI's web search 2–3x while banning millions of bots. Bill combines low-level vulnerability research (UEFI/boot, kernel, TPM) with practical platform engineering, having built remediation microservices that automatically fixed hundreds of thousands in risk and saved millions monthly in production. He leverages LLMs and automation to streamline incident response and has repeatedly turned research into operational controls that preempt high-risk failures. Based in Greater Boston, he prefers measurable impact over buzzwords and focuses on deterministic approaches to finding and fixing classes of bugs at scale.
10 years of coding experience
6 years of employment as a software developer
High School Diploma, High School Diploma at Lexington High SchoolBachelor of Science - BS, Computing Security, Bachelor of Science - BS, Computing Security at Rochester Institute of Technology
Turkish, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (69)
windows-kernel10
malware9
monitoring8
security8
dashboard8
oauth8
reverse-engineering8
red8
kernel8
mysql8
forking7
windows7
zpl7
elasticsearch7
vpn7
Programming languages (9)
Github contributions (5)
D4stiny/PeaceMaker
Dec 2019 - May 2020
PeaceMaker Threat Detection is a Windows kernel-based application that detects advanced techniques used by malware.
Contributions:2 releases, 41 commits, 4 pushes in 4 months
kerneltechniqueswindows-kernelwindowssecurity
D4stiny/spectre
Mar 2020 - Aug 2020
Contributions:43 commits, 1 comment in 4 months
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