Clint Gibler

Head of Security Research at Semgrep and creator of the widely read tl;dr sec newsletter, focusing on scalable, low-friction security automation for modern development pipelines.

#13 Application security engineering#21 Cloud Security

29CiteRank

Last updated 11 Nov 2026 · Named in 40 answers across 5 engines
Bing AI Mode starts a separate baseline. Copilot remains a separate public engine and keeps its history; changes across the switch are not like-for-like growth.

How AI engines see them

Recognized by 5 of 5 measured engines. Updated 2026-10-26

All five engines describe him as an application security specialist known for the tldr sec newsletter, secure defaults and earlier work at NCC Group and Semgrep or r2c. Copilot adds the most on his current role, saying he leads cybersecurity at OpenAI, and ChatGPT also notes OpenAI on his profile. ChatGPT, Gemini and Google AI Mode mention his UC Davis PhD. The pages cited most are linkedin.com, rsaconference.com, scworld.com and tldrsec.com.

ChatGPTNot named
ChatGPT describes an AppSec and DevSecOps figure with a UC Davis PhD who worked at NCC Group, led security research at r2c, the company behind Semgrep, and now lists OpenAI.
Known for
- scalable developer-friendly AppSec
- secure defaults over vulnerability hunting
GeminiNot named
Gemini describes a security researcher with a Computer Science PhD from UC Davis, formerly at NCC Group and Head of Security Research at Semgrep, and creator of the tldr sec newsletter.
Known for
- secure defaults and guardrails
- eradicating vulnerability classes
Google AI ModeNot named
Google AI Mode describes an AppSec figure and creator of the tldr sec newsletter who served as Head of Security Research at r2c and worked at NCC Group.
Known for
- developer-centric security approach
- tldr sec newsletter
PerplexityNot named
Perplexity describes an AppSec practitioner and educator who advocates scalable, developer-centered security, with a background in consulting, Semgrep and the tldr sec newsletter.
Known for
- preventing vulnerability classes via secure defaults
- scalable developer-centered AppSec
Bing AI ModeNot named
No description yet.
CopilotNot named
Copilot says he leads cybersecurity at OpenAI, was Head of Security Research at Semgrep and a Technical Director at NCC Group, and writes the tldr sec newsletter.
Known for
- tldr sec weekly security newsletter
- growing Semgrep into AppSec platform

Top Segments

#13Application security engineeringof 60
Named in 19 answers
#21Cloud Securityof 68
Named in 4 answers

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