Investor profile
John Nusbaum
Venture debt & Managing Director & Portfolio Manager at One William Street Capital Management
John Nusbaum works as a Managing Director & Portfolio Manager at One William Street Capital Management. The firm's known portfolio counts 2 companies.
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Investment focus
- Stage
- Late-Stage
- Sector
- FinTechReal Estate
- Focus
- Asset-Based LendingCreditLendingMortgageStructured Credit
Contacts
Affiliated funds' portfolios
Managing Director & Portfolio Manager at One William Street Capital Management, whose known portfolio counts 2 companies
- BriteCap Financial
- JG Wentworth
Investor Profile
The listing covers sectors FinTech and Real Estate, and focus areas Asset-Based Lending, Credit, Lending and Mortgage. Startups operating in these areas may find John Nusbaum relevant.
Stage-wise, the deals at One William Street Capital Management cluster around Late-Stage rounds.
The firm portfolio and the focus above give founders context on whether John Nusbaum matches their raise.
Frequently asked questions
Who is John Nusbaum?
John Nusbaum is a venture debt investor based in New York City, United States, listed as Managing Director & Portfolio Manager at One William Street Capital Management. The known portfolio of that firm counts 2 companies. That portfolio belongs to the firm, not to John Nusbaum personally.
What does John Nusbaum invest in?
Listed sectors include FinTech and Real Estate; listed focus areas include Asset-Based Lending, Credit, Lending and Mortgage. 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 Nusbaum invest at?
One William Street Capital Management appears in Late-Stage rounds across its known deals, and John Nusbaum is listed there as Managing Director & Portfolio Manager. 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 Nusbaum listed at?
John Nusbaum is listed as Managing Director & Portfolio Manager at One William Street Capital Management, whose known portfolio counts 2 companies.
How do I contact John Nusbaum?
A LinkedIn page is on file for John Nusbaum. It is readable inside RaiseHunt after you create an account. The database holds no email address and no phone number for this profile.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal