Sean Mason, Angel investor in Oakland is an active investor based in Oakland, California. This profile covers what Sean Mason backs, at which stage, and how founders can reach out in 2026.
Sean Mason is a technology sales professional and angel investor with a passion for lifelong learning and digital devices.
Sean Mason invests in SaaS & Enterprise and Consumer & Retail, typically at Seed and Series A.
- Investor type
- Angel
- Stages
- SeedSeries A
- Invests in
- SaaS & EnterpriseConsumer & Retail
- Location
- Oakland, California
- Typical check
- $625K
How to reach Sean Mason
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About this profile
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Cite this page
Round Funded. "Sean Mason." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/sean-mason
Frequently Asked Questions
Who is Sean Mason?
Sean Mason, Angel investor in Oakland is an active investor based in Oakland, California. Sean Mason invests in SaaS & Enterprise and Consumer & Retail, typically at Seed and Series A.
What does Sean Mason invest in?
Sean Mason invests in SaaS & Enterprise and Consumer & Retail, typically at Seed and Series A. Match your sector and stage, then reach out with a personalized pitch.
What stage does Sean Mason invest at?
Sean Mason typically invests at Seed and Series A. Lead with traction that fits the stage when you reach out.
What is Sean Mason's typical check size?
Sean Mason typically writes checks around $625K. 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.