DO

Investor profile

Donnacha O'Sullivan

Private equity & Healthcare Private Equity Investor at Truehelm

Donnacha O'Sullivan is a Healthcare Private Equity Investor at Truehelm, whose known portfolio counts 10 companies.

Is Donnacha O'Sullivan a fit for your startup?

Paste your website. AI checks the fit and scores every other investor too.

Investment focus

Contacts

dos***@***.comPhone number on fileLinkedIn profile on fileAvailable after registration.
Get contact

Affiliated funds' portfolios

Healthcare Private Equity Investor at Truehelm, whose known portfolio counts 10 companies

  • Biographica
  • AOA
  • Sway
  • Itselectric
  • Testmate Health
  • OneRoof
  • Simplifyber
  • Hey Jane
  • Wthn
  • BoobyBiome

Investor Profile

Donnacha O'Sullivan is listed against sectors Healthcare and SaaS, and focus areas Biotech, Digital Health, Healthcare Operations and MedTech in the database.

Stage-wise, the deals at Truehelm cluster around Seed and Series A rounds.

The firm portfolio and the focus above give founders context on whether Donnacha O'Sullivan matches their raise.

Colleagues at Truehelm

Frequently asked questions

Who is Donnacha O'Sullivan?

Donnacha O'Sullivan is a private equity investor based in Minneapolis, Minnesota, United States, listed as Healthcare Private Equity Investor at Truehelm. The known portfolio of that firm counts 10 companies. That portfolio belongs to the firm, not to Donnacha O'Sullivan personally.

What does Donnacha O'Sullivan invest in?

Listed sectors include Healthcare and SaaS; listed focus areas include Biotech, Digital Health, Healthcare Operations 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 Donnacha O'Sullivan invest at?

Truehelm appears in Seed and Series A rounds across its known deals, and Donnacha O'Sullivan is listed there as Healthcare Private Equity 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 Donnacha O'Sullivan listed at?

Donnacha O'Sullivan is listed as Healthcare Private Equity Investor at Truehelm. 4 other people in the database share a firm with Donnacha O'Sullivan.

How do I contact Donnacha O'Sullivan?

An email address, a phone number and a LinkedIn page are on file for Donnacha O'Sullivan. The address stays masked on this page and is readable inside RaiseHunt after you create an account.

Skip the browsing. Let AI find your ideal investors in one minute.

Paste your startup website and AI picks your best-fit investors out of 135,000+ profiles.

Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal