Niall O'Donnell works as a Managing Director at RiverVest Venture Partners. The firm's known portfolio counts 9 companies.
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Investment focus
- Sector
- HardwareHealthcare
Contacts
Affiliated funds' portfolios
Managing Director at RiverVest Venture Partners, whose known portfolio counts 9 companies
- Biolinq
- Avalyn Pharma
- Glycomine
- Atalanta Therapeutics
- Wugen
- Alleviant Medical
- Bluejay Therapeutics
- InterVene
- Sparrow Pharmaceuticals
Investor Profile
The listing covers sectors Hardware and Healthcare, and focus areas Biotech, Clinical Trials, Diagnostics and Drug Discovery. Startups operating in these areas may find Niall O'Donnell relevant.
Stage-wise, the deals at RiverVest Venture Partners cluster around Growth, Seed and Series A rounds.
The firm portfolio and the focus above give founders context on whether Niall O'Donnell matches their raise.
Colleagues at RiverVest Venture Partners
Karen Spilizewski
Managing Director
Cleveland, United States
Tom Melzer
Investor
United States
Derek Rapp
Managing Director
St Louis, United States
Pascal Krotee
Principal
San Diego, United States
Jay Schmelter
Co-Founder & Managing Director
United States
Isaac Zike
Managing Director
St Louis, United States
John McKearn
Investor
United States
Nancy Hong
Investor
San Diego, United States
Frequently asked questions
Who is Niall O'Donnell?
Niall O'Donnell is a venture capital investor based in Encinitas, California, United States, listed as Managing Director at RiverVest Venture Partners. The known portfolio of that firm counts 9 companies. That portfolio belongs to the firm, not to Niall O'Donnell personally.
What does Niall O'Donnell invest in?
Listed sectors include Hardware and Healthcare; listed focus areas include Biotech, Clinical Trials, Diagnostics and Drug Discovery. 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 Niall O'Donnell invest at?
RiverVest Venture Partners appears in Growth, Seed and Series A rounds across its known deals, and Niall O'Donnell is listed there as Managing Director. 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 Niall O'Donnell listed at?
Niall O'Donnell is listed as Managing Director at RiverVest Venture Partners. 8 other people in the database share a firm with Niall O'Donnell.
How do I contact Niall O'Donnell?
An email address, a phone number and a LinkedIn page are on file for Niall O'Donnell. 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