John Mitchell is a general partner at J4.Ventures, which invests at pre-seed, seed, series a across sectors.
What John can write
Writes checks ofNot reported
Comes in atPre-seed, Seed, Series ALead preference not reported
Best routeA short note on LinkedInA warm intro from a founder they backed works better.
Career
- Stanford · Professor of Computer Science
- J4.Ventures · General PartnerNow
Focus
programming languagessoftware designsecurityblockchainmachine learning
Also at J4.Ventures
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One email when John's firm raises a fund, adds a partner or shows new activity.
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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 John Mitchell?
John Mitchell is a general partner at J4.Ventures, which invests at pre-seed, seed, series a across sectors.
How much does John Mitchell invest?
J4.Ventures has not reported a check size. It invests at pre-seed, seed, series a.
How do I pitch John Mitchell?
A warm intro from a founder J4.Ventures backed works best. A short LinkedIn note with one line on traction is the next best route.
What did John Mitchell do before J4.Ventures?
Professor of Computer Science at Stanford.
Last updated 2026-10-15. Is this you? Ask for a correction.