Bob Mason is an angel investor and operator angel based in Cambridge, Massachusetts, United States with 8 known investments: Zagster, RISE Robotics, DipJar, Dashbell, HighScore House, CheckiO, FlashNotes and Pact Fitness.
Is Bob Mason a fit for your startup?
Paste your website. AI checks the fit and scores every other investor too.
Investment focus
- Stage
- Seed
- Sector
- AIFinTechHealthcareSaaS
Contacts
Bob Mason portfolio companies (8)
- Zagster
- RISE Robotics
- DipJar
- Dashbell
- HighScore House
- CheckiO
- FlashNotes
- Pact Fitness
Affiliated funds' portfolios
Managing Partner at Argon Ventures, whose known portfolio counts 10 companies
- PeakMetrics
- CYVL
- EnFi
- Trilobio
- Moddule
- Aliro Technologies
- Piction Health
- Clearly AI
- MacroX
- FinTe
Investor Profile
Founders in the listed sectors AI, FinTech, Healthcare and SaaS, and focus areas Banking, Developer Tools, EHR and Enterprise SaaS will recognize the pattern in this portfolio.
Bob Mason appears in Seed rounds across the known deals.
Reviewing the investment history helps decide whether there is a realistic fit before reaching out.
Colleagues at Argon Ventures
Similar investors
Showing 20 of 100
John McEleney
angel investor and operator angel
Winchester, United States
Dave Carlson
angel investor and operator angel
Englewood, United States
Chris Mason
angel investor and operator angel
London, United Kingdom
Adam Doppelt
angel investor and operator angel
Seattle, United States
Mike Kennedy
angel investor
Lake Forest, United States
Ross Mason
angel investor and operator angel
Atlanta, United States
Ross Mason
Founding Partner
Geneva, Switzerland
Malek Meslemani
angel investor and operator angel
London, United Kingdom
Harish Parwani
angel investor and operator angel
Boston, United States
Gary Griffiths
Advisory Board
Boston, United States
David Yee
angel investor
Boston, United States
Brian Vierra
General Partner
Bend, United States
Chris MacFarland
angel investor and operator angel
Plano, United States
Ankur Nagpal
Investor Person
New York, United States
Aston Motes
angel investor and operator angel
Atlanta, United States
Chris Mairs Cbe
Venture Partner
Bradford-On-Avon, United Kingdom
Adam Blackman
Adjunct Assistant Professor
Toronto, Canada
Dave Morin
Co-Founder & Managing Partner
San Francisco, United States
Mohit Aron
operator angel
San Jose, United States
Jason Hardebeck
angel investor
Phoenix, United States
Frequently asked questions
Who is Bob Mason?
Bob Mason is an angel investor and operator angel based in Cambridge, Massachusetts, United States with 8 known investments on file, among them Zagster, RISE Robotics and DipJar. The sections above list the sectors, stages and firms attached to that record.
What does Bob Mason invest in?
Listed sectors include AI, FinTech, Healthcare and SaaS; listed focus areas include Banking, Developer Tools, EHR and Enterprise SaaS. 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 Bob Mason invest at?
The known deals of Bob Mason 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 Bob Mason listed at?
Bob Mason is listed as Managing Partner at Argon Ventures. One other person in the database shares a firm with Bob Mason.
How do I contact Bob Mason?
An email address, a phone number and a LinkedIn page are on file for Bob Mason. 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