Jeff Dean

Activity from announced rounds

Activity in this selectionUnited States · Oct 19, 2026 · Jul 22, 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.

Sources
Rounds participated in
2
Confirmed lead rounds
0
All roles disclosed
New companies
2
First participation on record · 0 follow-on
Funding in participating rounds
$102M
2 disclosed · full round size, not this investor’s share

By stage

Seed1
Series A1

By primary sector

AI1
Developer tools1

By country

United States2

Rounds

2 in this selection
Volantis

Photonic computing and interconnect technology for fast, large-scale AI inference.

$88MSeries A
Participant
G5 Labs

G5 Labs is building an AI-native software development platform that turns natural-language intent into production code and maps existing code back to its underlying purpose. Its ontology compiler tracks requirements, dependencies and policy constraints so organizations can modernize complex software while preserving how the system is meant to work.

$14MSeed
Participant