Graham Brooks is a partner at .406 Ventures, focusing on Data + AI investments. He joined in 2007 after technology operating and investing roles, and co-founded Accentus.
What Graham can write
.406 Ventures writes $1M to $10M checks, larger than 83% of firms in the atlas.
Bars: how many firms report each check band. Highlighted: .406 Ventures.Career
- ALK Associates · software engineer and database administrator
- Accentus · co-founder
- Bose · intrapreneur with the New Ventures Group and then Business Development Manager
- .406 Ventures · PartnerNow
- Accentus
- New Ventures Group · intrapreneur
- Bose · Business Development Manager
Companies founded
Investments named in public bios
Focus
Education
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Raising a pre-seed or seed round? We write $1M to $5M first checks and help founders with distribution. A partner reads every deck.
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Who is Graham Brooks?
Graham Brooks is a partner at .406 Ventures, focusing on Data + AI investments. He joined in 2007 after technology operating and investing roles, and co-founded Accentus.
How much does Graham Brooks invest?
Graham Brooks invests through .406 Ventures, which writes checks of $1M to $10M at seed, series a.
How do I pitch Graham Brooks?
Email [email protected], the firm's inbox for founders, and name Graham in the subject. A warm intro from a founder .406 Ventures backed works better.
What did Graham Brooks do before .406 Ventures?
software engineer and database administrator at ALK Associates; co-founder at Accentus; intrapreneur with the New Ventures Group and then Business Development Manager at Bose; Accentus; intrapreneur at New Ventures Group; Business Development Manager at Bose.
Last updated 2026-10-15. Is this you? Ask for a correction.