John Jonelis
Angel investor in Crystal Lake
Crystal Lake, Illinois
John Jonelis, Angel investor in Crystal Lake is an active investor based in Crystal Lake, Illinois. This profile covers what John Jonelis backs, at which stage, and how founders can reach out in 2026.
John Jonelis is an angel investor based in John Jonelis, Illinois. He is also an author.
- Investor type
- Angel
- Stages
- Early Stage Venture
- Invests in
- Hardware & Deep Tech
- Location
- Crystal Lake, Illinois
- Typical check
- $500K
- Past investments
- 2
Notable investments
How to reach John Jonelis
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About this profile
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Cite this page
Round Funded. "John Jonelis." Round Funded investor database, updated September 9, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/john-jonelis
Frequently Asked Questions
What does John Jonelis invest in?
John Jonelis invests in Hardware & Deep Tech, typically at Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does John Jonelis invest at?
John Jonelis typically invests at Early Stage Venture. Lead with traction that fits the stage when you reach out.
What is John Jonelis's typical check size?
John Jonelis 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.