Investor profile
Jeff Willardson
Private equity, Venture debt & Managing Partner at Ghost Tree Partners
Jeff Willardson is a Managing Partner at Ghost Tree Partners, whose known portfolio counts 6 companies.
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Investment focus
- Stage
- Late-StageSeed
Contacts
Affiliated funds' portfolios
Managing Partner at Ghost Tree Partners, whose known portfolio counts 6 companies
- Embr Labs
- Anonos
- ConTIPI Medical
- Job.com
- Position Imaging
- Blue Spark Technologies
Investor Profile
Jeff Willardson is listed against focus areas Direct Lending and Private Credit in the database.
Ghost Tree Partners appears in Late-Stage and Seed rounds across its known deals.
What the affiliated firm has backed is the closest available signal on whether Jeff Willardson is worth approaching.
Colleagues at Ghost Tree Partners
Frequently asked questions
Who is Jeff Willardson?
Jeff Willardson is a private equity investor and venture debt investor based in Irvine, California, United States, listed as Managing Partner at Ghost Tree Partners. The known portfolio of that firm counts 6 companies. That portfolio belongs to the firm, not to Jeff Willardson personally.
What does Jeff Willardson invest in?
Listed focus areas include Direct Lending and Private Credit. 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 Jeff Willardson invest at?
Ghost Tree Partners appears in Late-Stage and Seed rounds across its known deals, and Jeff Willardson is listed there as Managing 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 Jeff Willardson listed at?
Jeff Willardson is listed as Managing Partner at Ghost Tree Partners. One other person in the database shares a firm with Jeff Willardson.
How do I contact Jeff Willardson?
A LinkedIn page is on file for Jeff Willardson. 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