Brian Arbogast
Angel investor in Seattle
Seattle, Washington
Brian Arbogast, Angel investor in Seattle is an active investor based in Seattle, Washington. This profile covers what Brian Arbogast backs, at which stage, and how founders can reach out in 2026.
- Investor type
- Angel
- Stages
- Seed
- Invests in
- Climate & Energy
- Location
- Seattle, Washington
- Typical check
- $250K
- Past investments
- 14
Notable investments
Bill & Melinda Gates FoundationOne4AllGlooey, IncProgress Alliance of WashingtonFuse WashingtonUpaya Social VenturesTemperateNear ZeroCleanChoice EnergyHow to reach Brian Arbogast
Angels and operators like Brian Arbogast 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 Accelerator.
Connect with Brian Arbogast
Frequently Asked Questions
What does Brian Arbogast invest in?
Brian Arbogast invests in Climate & Energy, typically at Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Brian Arbogast invest at?
Brian Arbogast typically invests at Seed. Lead with traction that fits the stage when you reach out.
What is Brian Arbogast's typical check size?
Brian Arbogast typically writes checks around $250K. Use it as a signal for whether your raise fits their stage.
How do I contact Brian Arbogast?
Unlock Brian Arbogast's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.