Matthew Mandel
Co-Founder and General Partner at Cosmos Ventures
New York, United States
Matthew Mandel, Co-Founder and General Partner at Cosmos Ventures is an active investor based in New York, United States. This profile covers what Matthew Mandel backs, at which stage, and how founders can reach out in 2026.
- Investor type
- VC
- Stages
- SeedSeries A
- Invests in
- SaaS & EnterpriseFintechArtificial Intelligence
- Location
- New York, United States
- Typical check
- $625K
How to reach Matthew Mandel
Angels and operators like Matthew Mandel 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.
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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 Matthew Mandel invest in?
Matthew Mandel invests in SaaS & Enterprise, Fintech and Artificial Intelligence, typically at Seed and Series A. Match your sector and stage, then reach out with a personalized pitch.
What stage does Matthew Mandel invest at?
Matthew Mandel typically invests at Seed and Series A. Lead with traction that fits the stage when you reach out.
What is Matthew Mandel's typical check size?
Matthew Mandel typically writes checks around $625K. Use it as a signal for whether your raise fits their stage.
How do I contact Matthew Mandel?
Unlock Matthew Mandel'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.