Brian DeFee is a Partner at Capstone Partners | A Mizuho Company, whose known portfolio counts 11 companies.
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Investment focus
Contacts
Affiliated funds' portfolios
Partner at Capstone Partners | A Mizuho Company, whose known portfolio counts 11 companies
- FriendliAI
- Liner
- Neubility
- Ably
- ioCrops
- Nemesis
- Webtoon
- ABLY Corporation
- Cookat
- GOPIZZA
- Musma
Investor Profile
Stage-wise, the deals at Capstone Partners | A Mizuho Company cluster around Growth, Seed and Series A rounds.
The firm portfolio and the focus above give founders context on whether Brian DeFee matches their raise.
Frequently asked questions
Who is Brian DeFee?
Brian DeFee is a fund of funds investor based in Dallas, Texas, United States, listed as Partner at Capstone Partners | A Mizuho Company. The known portfolio of that firm counts 11 companies. That portfolio belongs to the firm, not to Brian DeFee personally.
What stage does Brian DeFee invest at?
Capstone Partners | A Mizuho Company appears in Growth, Seed and Series A rounds across its known deals, and Brian DeFee is listed there as 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 Brian DeFee listed at?
Brian DeFee is listed as Partner at Capstone Partners | A Mizuho Company, whose known portfolio counts 11 companies.
How do I contact Brian DeFee?
An email address, a phone number and a LinkedIn page are on file for Brian DeFee. 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