depthfirst
Develops AI-native security platform for software vulnerability detection and fix recommendations
$40MSeries A
Role not disclosedJD
Jeff Dean
Activity from announced rounds
Activity in this selectionOct 24, 2026 · Cybersecurity · Jan 1, 2026
Jeff Dean is the individual angel investor identified in Grubel and G5 Labs announcements by his former Google chief-scientist role.
Recorded funding activity
Grubel develops case-specific research systems for law firms. G5 Labs develops AI-native software tools, while Volantis works on photonic computing and interconnects. These recorded investments are attributed personally to Dean rather than to Google.
- Rounds participated in
- 1
- Confirmed lead rounds
- — 1 roles undisclosed
- New companies
- 1 First participation on record · 0 follow-on
- Funding in participating rounds
- $40M 1 disclosed · full round size, not this investor’s share