Don Sullivan is an angel investor based in Boston, Massachusetts, United States. The known portfolio is one company, TVG Hospitality.
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Investment focus
Contacts
Don Sullivan portfolio company (1)
- TVG Hospitality
Affiliated funds' portfolios
Partner at Greylock Partners, whose known portfolio counts 10 companies
- Baseten
- Entrepreneurs First
- Braintrust
- Resolve.ai
- Upwind Security
- Pepper
- Censys
- Bretton AI
- Cogent Security
- Cylake
Investor Profile
The listing covers sectors Consumer, FinTech and SaaS, and focus areas Enterprise SaaS, Media, Payments and Productivity. Startups operating in these areas may find Don Sullivan relevant.
Don Sullivan is listed for Series A and Series B rounds in the database.
The portfolio and focus above give founders context on whether Don Sullivan matches their raise.
Colleagues at Greylock Partners
Showing 20 of 29
Simon Rothman
Partner
Palo Alto, United States
Joseph Ansanelli
Venture Partner
San Francisco, United States
Aneel Bhusri
Advisory Partner
United States
James Slavet
Venture Partner
San Francisco, United States
Hadar Dor
Greylock Scout (Inaugural Cohort)
San Francisco, United States
Josh McFarland
Partner
San Francisco, United States
Saam Motamedi
General Partner
Stanford, United States
Seth Rosenberg
General Partner
New York, United States
Corinne Marie Riley
Partner
San Francisco, United States
John Delaney
Principal
San Francisco, United States
Bukky Adebayo
Venture Scout
San Francisco, United States
Madison H.
Board Partner
United States
Asheem Chandna
Partner
San Francisco, United States
David Kossnick
Scout
Bronx, United States
David S.
Advisory Partner
San Francisco, United States
David Strohm
Partner
Millbrae, United States
Mike Duboe
General Partner
San Francisco, United States
Bill Helman
Partner
Cambridge, United States
David Wadhwani
Venture Partner
San Francisco, United States
Howard Cox
Special Limited Partner
Menlo Park, United States
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Frequently asked questions
Who is Don Sullivan?
Don Sullivan is an angel investor based in Boston, Massachusetts, United States with one known investment on file, TVG Hospitality. The sections above list the sectors, stages and firms attached to that record.
What does Don Sullivan invest in?
Listed sectors include Consumer, FinTech and SaaS; listed focus areas include Enterprise SaaS, Media, Payments and Productivity. 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 Don Sullivan invest at?
The database lists Don Sullivan for Series A and Series B 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 Don Sullivan listed at?
Don Sullivan is listed as Partner at Greylock Partners. 29 other people in the database share a firm with Don Sullivan.
How do I contact Don Sullivan?
An email address, a phone number and a LinkedIn page are on file for Don Sullivan. The address stays masked on this page and is readable inside RaiseHunt after you create an account.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal