David Siegel is an Advisor at GreyLion, whose known portfolio counts 12 companies.
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Investment focus
- Stage
- GrowthLate-Stage
Contacts
Affiliated funds' portfolios
Advisor at GreyLion, whose known portfolio counts 12 companies
- The RealReal
- Slip.stream
- TickPick
- 360training
- Alloy Die Casting
- Hyphen Solutions
- Quick Med Claims
- Slipstream IT
- Birdseye Security Solutions
- Norwood Portable Sawmills
- Torginol
- Webconnex
Investor Profile
Founders in the listed sectors Consumer, FinTech, Hardware and Healthcare, and focus areas Enterprise SaaS, Healthcare Operations, Lower Middle Market and Marketplaces fall inside that listing.
GreyLion appears in Growth and Late-Stage rounds across its known deals.
What the affiliated firm has backed is the closest available signal on whether David Siegel is worth approaching.
Colleagues at GreyLion
Frequently asked questions
Who is David Siegel?
David Siegel is a private equity investor based in Washington, District of Columbia, United States, listed as Advisor at GreyLion. The known portfolio of that firm counts 12 companies. That portfolio belongs to the firm, not to David Siegel personally.
What does David Siegel invest in?
Listed sectors include Consumer, FinTech, Hardware and Healthcare; listed focus areas include Enterprise SaaS, Healthcare Operations, Lower Middle Market and Marketplaces. 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 David Siegel invest at?
GreyLion appears in Growth and Late-Stage rounds across its known deals, and David Siegel is listed there as Advisor. 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 David Siegel listed at?
David Siegel is listed as Advisor at GreyLion. One other person in the database shares a firm with David Siegel.
How do I contact David Siegel?
An email address, a phone number and a LinkedIn page are on file for David Siegel. 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