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.
Matthew Mandel invests in SaaS & Enterprise, Fintech and Artificial Intelligence, typically at Seed and Series A.
- Location
- New York, United States
- Typical check
- $625K
What does Matthew Mandel invest in?
- Investor type
- VC
Where is Matthew Mandel based?
Matthew Mandel is based in New York, United States.
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- Startup investors in New York CityStartup investors in the United States
How to reach Matthew Mandel
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Cite this page
Round Funded. "Matthew Mandel." Round Funded investor database, updated September 22, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/matthew-mandel
Frequently Asked Questions
Who is Matthew Mandel?
Matthew Mandel, Co-Founder and General Partner at Cosmos Ventures is an active investor based in New York, United States. Matthew Mandel invests in SaaS & Enterprise, Fintech and Artificial Intelligence, typically at Seed and Series A.
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.
Where is Matthew Mandel based?
Matthew Mandel is based in New York, United States.
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.
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