John Cowgill is a General Partner at Costanoa Ventures, whose known portfolio counts 10 companies.
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Investment focus
Contacts
Affiliated funds' portfolios
General Partner at Costanoa Ventures, whose known portfolio counts 10 companies
- Manifold
- Shepherd
- Smack Technologies
- Natter
- Tenna Systems
- IVO
- Marble Health
- Mindtrip
- Midship
- Spectral Compute
Investor Profile
John Cowgill is listed against sectors AI, Commerce, Consumer and FinTech, and focus areas AI Infrastructure, Analytics, Cloud Infrastructure and Cybersecurity in the database.
Stage-wise, the deals at Costanoa Ventures cluster around Seed, Series A and Series B rounds.
The firm portfolio and the focus above give founders context on whether John Cowgill matches their raise.
Colleagues at Costanoa Ventures
Martina Lauchengco
Partner
San Francisco, United States
Greg Sands
Founder
Palo Alto, United States
Tony Liu
Partner
San Francisco, United States
Amy Cheetham
Partner
San Francisco, United States
David G. Cheng
General Partner
San Francisco, United States
Michelle McHargue
Partner
San Francisco, United States
Jim Wilson
Partner
Burlingame, United States
Mark Selcow
General Partner
San Francisco, United States
Sakia Bugti
Partner
San Francisco, United States
Nancy Katz
Partner
Palo Alto, United States
Nicole Seah
Investor
San Francisco, United States
Alice R.
Investor
Palo Alto, United States
Mimi S.
Investor
New York City, United States
Frequently asked questions
Who is John Cowgill?
John Cowgill is a venture capital investor based in San Francisco, California, United States, listed as General Partner at Costanoa Ventures. The known portfolio of that firm counts 10 companies. That portfolio belongs to the firm, not to John Cowgill personally.
What does John Cowgill invest in?
Listed sectors include AI, Commerce, Consumer and FinTech; listed focus areas include AI Infrastructure, Analytics, Cloud Infrastructure and Cybersecurity. Those tags come from the portfolios of the firms this profile is attached to, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does John Cowgill invest at?
Costanoa Ventures appears in Seed, Series A and Series B rounds across its known deals, and John Cowgill is listed there as General Partner. 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 John Cowgill listed at?
John Cowgill is listed as General Partner at Costanoa Ventures. 13 other people in the database share a firm with John Cowgill.
How do I contact John Cowgill?
An email address, a phone number and a LinkedIn page are on file for John Cowgill. 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