Sean Graham, Managing Partner at Spaceport Fund is an active investor based in Washington, United States. This profile covers what Sean Graham backs, at which stage, and how founders can reach out in 2026.
Sean Graham is Managing Partner at Spaceport Fund, investing in the infrastructure of the global space economy, and Co-Founder & CEO of Karman Line.
Sean Graham invests in Space & Aerospace, typically at Early Stage Venture.
- Location
- Washington, United States
- Typical check
- $500K
What does Sean Graham invest in?
- Investor type
- VC
- Stages
- Early Stage Venture
- Invests in
- Space & Aerospace
Where is Sean Graham based?
Sean Graham is based in Washington, United States.
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- Startup investors in the United States
How to reach Sean Graham
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About this profile
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Cite this page
Round Funded. "Sean Graham." Round Funded investor database, updated September 22, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/sean-graham
Frequently Asked Questions
Who is Sean Graham?
Sean Graham, Managing Partner at Spaceport Fund is an active investor based in Washington, United States. Sean Graham invests in Space & Aerospace, typically at Early Stage Venture.
What does Sean Graham invest in?
Sean Graham invests in Space & Aerospace, typically at Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Sean Graham invest at?
Sean Graham typically invests at Early Stage Venture. Lead with traction that fits the stage when you reach out.
What is Sean Graham's typical check size?
Sean Graham typically writes checks around $500K. Use it as a signal for whether your raise fits their stage.
Where is Sean Graham based?
Sean Graham is based in Washington, 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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