Mark Stone is a Physician, Angel investor at HaloHealth, whose known portfolio counts 5 companies.
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Investment focus
- Sector
- Healthcare
Contacts
Affiliated funds' portfolios
Physician, Angel investor at HaloHealth, whose known portfolio counts 5 companies
- Steadiwear
- RetinaLogik
- The Bird & Be Co.
- Clinify
- UVX
Investor Profile
The listing covers sector Healthcare, and focus areas Diagnostics, Digital Health and MedTech. Startups operating in these areas may find Mark Stone relevant.
Stage-wise, the deals at HaloHealth cluster around Pre-Seed and Seed rounds.
What the affiliated firm has backed is the closest available signal on whether Mark Stone is worth approaching.
Colleagues at HaloHealth
Frequently asked questions
Who is Mark Stone?
Mark Stone is a syndicate member based in Toronto, Ontario, Canada, listed as Physician, Angel investor at HaloHealth. The known portfolio of that firm counts 5 companies. That portfolio belongs to the firm, not to Mark Stone personally.
What does Mark Stone invest in?
Listed sectors include Healthcare; listed focus areas include Diagnostics, Digital Health and MedTech. 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 Mark Stone invest at?
HaloHealth appears in Pre-Seed and Seed rounds across its known deals, and Mark Stone is listed there as Physician, Angel investor. 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 Mark Stone listed at?
Mark Stone is listed as Physician, Angel investor at HaloHealth. 3 other people in the database share a firm with Mark Stone.
How do I contact Mark Stone?
A LinkedIn page is on file for Mark Stone. 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