John Majeski, Venture investor in San Francisco is an active investor based in San Francisco, United States. This profile covers what John Majeski backs, at which stage, and how founders can reach out in 2026.
John Majeski is a General Partner at North Beach Investments and has achieved #1 worldwide market-share at his last three companies.
John Majeski invests in SaaS & Enterprise and Artificial Intelligence, typically at Seed, Series A and Early Stage Venture.
- Investor type
- VC
- Stages
- SeedSeries AEarly Stage Venture
- Invests in
- SaaS & EnterpriseArtificial Intelligence
- Location
- San Francisco, United States
- Typical check
- $500K
How to reach John Majeski
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About this profile
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Round Funded. "John Majeski." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/john-majeski
Frequently Asked Questions
Who is John Majeski?
John Majeski, Venture investor in San Francisco is an active investor based in San Francisco, United States. John Majeski invests in SaaS & Enterprise and Artificial Intelligence, typically at Seed, Series A and Early Stage Venture.
What does John Majeski invest in?
John Majeski invests in SaaS & Enterprise and Artificial Intelligence, typically at Seed, Series A and Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does John Majeski invest at?
John Majeski typically invests at Seed, Series A and Early Stage Venture. Lead with traction that fits the stage when you reach out.
What is John Majeski's typical check size?
John Majeski typically writes checks around $500K. Use it as a signal for whether your raise fits their stage.
How do founders reach investors like this?
Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.
What is Round Funded?
Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.