Bill Kirsch is a General Partner at Costella Kirsch, whose known portfolio counts 8 companies.
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Investment focus
- Stage
- Late-StageSeed
Contacts
Affiliated funds' portfolios
General Partner at Costella Kirsch, whose known portfolio counts 8 companies
- Oats Overnight
- Gbox by OnCircle, Inc.
- Iolon
- KidZui
- DailyFeats
- Gbox by OnCircle
- GuardianEdge Technologies
- eConnect
Investor Profile
Costella Kirsch appears in Late-Stage and Seed rounds across its known deals.
What the affiliated firm has backed is the closest available signal on whether Bill Kirsch is worth approaching.
Colleagues at Costella Kirsch
Frequently asked questions
Who is Bill Kirsch?
Bill Kirsch is a private equity investor and venture debt investor based in Menlo Park, California, United States, listed as General Partner at Costella Kirsch. The known portfolio of that firm counts 8 companies. That portfolio belongs to the firm, not to Bill Kirsch personally.
What stage does Bill Kirsch invest at?
Costella Kirsch appears in Late-Stage and Seed rounds across its known deals, and Bill Kirsch 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 Bill Kirsch listed at?
Bill Kirsch is listed as General Partner at Costella Kirsch. 3 other people in the database share a firm with Bill Kirsch.
How do I contact Bill Kirsch?
An email address, a phone number and a LinkedIn page are on file for Bill Kirsch. 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