Jonathan Slonim
Managing Partner at Ilion Capital Partners
New York, New York
Jonathan Slonim, Managing Partner at Ilion Capital Partners is an active investor based in New York, New York. This profile covers what Jonathan Slonim backs, at which stage, and how founders can reach out in 2026.
Jonathan Slonim is Managing Partner at Ilion Capital Partners, investing in niche manufacturing and B2B services companies after advising clients at McKinsey.
- Investor type
- VC
- Stages
- Early Stage VentureSeedSeries A
- Invests in
- Manufacturing & IndustrialSaaS & Enterprise
- Location
- New York, New York
- Typical check
- $500K
How to reach Jonathan Slonim
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About this profile
This profile is part of Round Funded, an investor database and outreach platform for founders. It covers 60,000+ active VCs, angels, family offices and accelerators with verified contacts, lets you send pitches from your own Gmail, and includes a free Data Room for your raise.
Frequently Asked Questions
What does Jonathan Slonim invest in?
Jonathan Slonim invests in Manufacturing & Industrial and SaaS & Enterprise, typically at Early Stage Venture, Seed and Series A. Match your sector and stage, then reach out with a personalized pitch.
What stage does Jonathan Slonim invest at?
Jonathan Slonim typically invests at Early Stage Venture, Seed and Series A. Lead with traction that fits the stage when you reach out.
What is Jonathan Slonim's typical check size?
Jonathan Slonim typically writes checks around $500K. Use it as a signal for whether your raise fits their stage.
How do I contact Jonathan Slonim?
Unlock Jonathan Slonim's verified email on Round Funded and send a personalized pitch. We surface only deliverable contacts so your outreach lands.
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.