Tel Aviv · Building with AI
I’m Harel.
I build AI systems for hard, useful problems, from autonomous security research to healthcare and the everyday friction nobody fixes.
See what I’m building01
Who I am
I’m a co-founder of Kritt, where we’re building AI that researches software like a security expert but at a scale humans can’t reach alone.
My background sits between machine learning, research, and product. I like turning ambitious ideas into practical things people can use, test, and improve.
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Selected work
Company
Kritt
AI-native security research that helps teams find critical vulnerabilities before attackers do.
>$1M found in bountiesOpen source
open·kritt
An open security research agent for inspecting complex codebases at machine speed.
2K GitHub starsPublic good
Doc-tor
A free WhatsApp bot that watches for earlier medical appointments and lets people know when one opens.
Used by 50K+ peopleResearch
AI for Parkinson’s assessment
Published work exploring remote clinical decision support through facial-expression analysis.
Competition win
MAFAT WiFi Challenge
Won first place in occupancy detection and second place in people counting using machine learning on WiFi signals.
$25K prize03
In the media
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