Jon Jaffe
Angel Investor
Seattle, Washington
Jon Jaffe, Angel Investor is an active investor based in Seattle, Washington. This profile covers what Jon Jaffe backs, at which stage, and how founders can reach out in 2026.
Mr. Jon Jaffe is an Angel Investor.
- Investor type
- Angel
- Stages
- Pre SeedSeed
- Invests in
- Marketplace
- Location
- Seattle, Washington
- Typical check
- $150K
- Past investments
- 1
Notable investments
How to reach Jon Jaffe
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About this profile
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Cite this page
Round Funded. "Jon Jaffe." Round Funded investor database, updated September 9, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/jon-jaffe
Frequently Asked Questions
What does Jon Jaffe invest in?
Jon Jaffe invests in Marketplace, typically at Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Jon Jaffe invest at?
Jon Jaffe typically invests at Pre Seed and Seed. Lead with traction that fits the stage when you reach out.
What is Jon Jaffe's typical check size?
Jon Jaffe typically writes checks around $150K. 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.