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Tom Preston-Werner

Angel investor and co-founder of GitHub.

Active Angel 🇺🇸 United States · United States
Portfolio Active
3
Latest Ona
Deal flow
$82M
3 rounds
Unicorns
0
≥ $1B valuation
Founded
—
Latest
Aug 2025
Zed

About Tom Preston-Werner

Angel investor and co-founder of GitHub.

Investment activity

2022–2025
$25M
$32M
1
'22
1
'25

Sector focus

💻 AI Coding 2
🧪 AI Testing & QA 1
⚙️ AI DevOps 1
🤖 AI Agents 1

Geographic focus

United States 1
US 1
Germany 1

Portfolio

3

Ona

Mission-control for AI software engineering agents in secure cloud environments

Trunk

AI DevOps agents that kill flaky tests and keep CI green

Zed

The multiplayer code editor — fast, native, and AI-first from the ground up

Co-investors

8

Nicolas Dessaigne

1 shared

Garage VC

1 shared

Tobi Lütke

1 shared

Pebblebed

1 shared

V1.VC

1 shared

Matchstick Ventures

1 shared

Dylan Field

1 shared

Root Ventures

1 shared

Recent rounds

3
Aug 20, 2025 Series B $32M Zed
Nov 3, 2022 Series A $25M Lead Ona
Series A $25M Trunk