Jeff Stump
Operating Partner at Andreessen Horowitz
San Jose, California
Jeff Stump, Operating Partner at Andreessen Horowitz is an active investor based in San Jose, California. This profile covers what Jeff Stump backs, at which stage, and how founders can reach out in 2026.
- Investor type
- VCPEFinance Operator
- Stages
- Pre SeedSeedSeries ASeries BLate Stage Venture
- Invests in
- Crypto & Web3
- Location
- San Jose, California
- Typical check
- $1M
- Past investments
- 8
Notable investments
Reflexer Labs
Oasis Labs
Arweave
Celo
CryptoKitties
dYdXHow to reach Jeff Stump
Angels and operators like Jeff Stump reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded Accelerator.
Connect with Jeff Stump
Frequently Asked Questions
What does Jeff Stump invest in?
Jeff Stump invests in Crypto & Web3, typically at Pre Seed, Seed, Series A and Series B. Match your sector and stage, then reach out with a personalized pitch.
What stage does Jeff Stump invest at?
Jeff Stump typically invests at Pre Seed, Seed, Series A and Series B. Lead with traction that fits the stage when you reach out.
What is Jeff Stump's typical check size?
Jeff Stump typically writes checks around $1M. Use it as a signal for whether your raise fits their stage.
How do I contact Jeff Stump?
Unlock Jeff Stump's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.