Martin Casstevens
Entrepreneur, consultant, mentor, scientist, angel investor
Buffalo, New York
Martin Casstevens, Entrepreneur, consultant, mentor, scientist, angel investor is an active investor based in Buffalo, New York. This profile covers what Martin Casstevens backs, at which stage, and how founders can reach out in 2026.
Martin Casstevens is an entrepreneur, consultant, mentor, scientist, and angel investor.
Martin Casstevens invests in SaaS & Enterprise, typically at Seed and Early Stage Venture.
- Investor type
- Angel
- Stages
- SeedEarly Stage Venture
- Invests in
- SaaS & Enterprise
- Location
- Buffalo, New York
- Typical check
- $375K
How to reach Martin Casstevens
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About this profile
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Cite this page
Round Funded. "Martin Casstevens." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/martin-casstevens
Frequently Asked Questions
Who is Martin Casstevens?
Martin Casstevens, Entrepreneur, consultant, mentor, scientist, angel investor is an active investor based in Buffalo, New York. Martin Casstevens invests in SaaS & Enterprise, typically at Seed and Early Stage Venture.
What does Martin Casstevens invest in?
Martin Casstevens invests in SaaS & Enterprise, typically at Seed and Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Martin Casstevens invest at?
Martin Casstevens typically invests at Seed and Early Stage Venture. Lead with traction that fits the stage when you reach out.
What is Martin Casstevens's typical check size?
Martin Casstevens typically writes checks around $375K. 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.