BA

Investor profile

Brian Arbogast

Angel, Operator angel & Angel Investor, past Board Member at E8 Angels

Seattle·Washington·United States4known investments

An angel investor and operator angel based in Seattle, Washington, United States, Brian Arbogast has 4 known investments: One4All, CleanChoice Energy, Scope 5 and Near Zero.

Is Brian Arbogast a fit for your startup?

Paste your website. AI checks the fit and scores every other investor too.

Investment focus

Stage
Seed

Contacts

bri***@***.comPhone number on fileLinkedIn profile on fileAvailable after registration.
Get contact

Brian Arbogast portfolio companies (4)

  • One4All
  • CleanChoice Energy
  • Scope 5
  • Near Zero

Affiliated funds' portfolios

Angel Investor, past Board Member at E8 Angels, whose known portfolio counts 15 companies

  • Derapi
  • Membrion
  • Ateios
  • Terra.do
  • OpConnect
  • Recurrent
  • Beta Hatch
  • LevelTen Energy
  • Inovues
  • Blue Ocean Gear
  • APANA
  • Edgehog
  • and 3 more

Investor Profile

Founders in the listed sectors Climate, Education, FinTech and SaaS, and focus areas Consumer Internet, EdTech, Enterprise SaaS and Media & Entertainment will recognize the pattern in this portfolio.

Stage-wise, the known deals cluster around Seed rounds.

The portfolio and focus above give founders context on whether Brian Arbogast matches their raise.

Colleagues at E8 Angels

Similar investors

Showing 20 of 100

TE

Tom Eggert

angel investor and operator angel

Madison, United States

AngelOperator angel
Paul Ark

Paul Ark

Advisor (Climate & ESG)

Bangkok, Thailand

Angel
Jonathan B. Miller

Jonathan B. Miller

angel investor and operator angel

Pittsburgh, United States

AngelOperator angel
George Arison

George Arison

angel investor and operator angel

San Francisco, United States

AngelOperator angel
DS

Doug Scott

angel investor and operator angel

London, United Kingdom

AngelOperator angel
Mike Galgon

Mike Galgon

CEO

Seattle, United States

AngelOperator angel
Bobby Gaza

Bobby Gaza

angel investor and operator angel

Oakland, United States

AngelOperator angel
Hermann Arnold

Hermann Arnold

angel investor and operator angel

Zürich, Switzerland

AngelOperator angel
RG

Ron Gonen

angel investor

New York, United States

Angel
Arpan Sheth

Arpan Sheth

Investment Committee Member

Washington, United States

Angel
Brian Armstrong

Brian Armstrong

angel investor and operator angel

Toronto, Canada

AngelOperator angel
AG

Alexander Graubner-Müller

angel investor and operator angel

Hamburg, Germany

AngelOperator angel
Rob Glaser

Rob Glaser

Chairman & CEO

Seattle, United States

AngelOperator angel
Philip Green

Philip Green

General Partner

London, United Kingdom

AngelOperator angel
Ankur Nagpal

Ankur Nagpal

Investor Person

New York, United States

AngelOperator angel
Chris Earle

Chris Earle

angel investor and operator angel

Sale, United Kingdom

AngelOperator angel
Dave McDowell

Dave McDowell

angel investor and operator angel

San Francisco, United States

AngelOperator angel
AW

Alan Warms

Advisor

Chicago, United States

Angel
GR

Gary Rubens

operator angel

Operator angel
Shion Deysarkar

Shion Deysarkar

angel investor and operator angel

Austin, United States

AngelOperator angel
+80moreAvailable after registration

Frequently asked questions

Who is Brian Arbogast?

Brian Arbogast is an angel investor and operator angel based in Seattle, Washington, United States with 4 known investments on file, among them One4All, CleanChoice Energy and Scope 5. The sections above list the sectors, stages and firms attached to that record.

What does Brian Arbogast invest in?

Listed sectors include Climate, Education, FinTech and SaaS; listed focus areas include Consumer Internet, EdTech, Enterprise SaaS and Media & Entertainment. Those tags come from the companies attached to this profile, so they read as a record of what has been backed rather than a stated preference for what comes next.

What stage does Brian Arbogast invest at?

The known deals of Brian Arbogast include Seed rounds. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.

Which firm is Brian Arbogast listed at?

Brian Arbogast is listed as Angel Investor, past Board Member at E8 Angels. 13 other people in the database share a firm with Brian Arbogast.

How do I contact Brian Arbogast?

An email address, a phone number and a LinkedIn page are on file for Brian Arbogast. The address stays masked on this page and is readable inside RaiseHunt after you create an account.

Skip the browsing. Let AI find your ideal investors in one minute.

Paste your startup website and AI picks your best-fit investors out of 135,000+ profiles.

Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal