Klaus Breiner is a Managing Partner at Pureos Bioventures, whose known portfolio counts 8 companies.
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Investment focus
- Sector
- Healthcare
- Focus
- Antibody TherapeuticsBiopharmaBiotechDrug DiscoveryImmunologyLife ScienceNeuroscienceOncologyOphthalmologyRare DiseaseTherapeuticsWellness
Contacts
Affiliated funds' portfolios
Managing Partner at Pureos Bioventures, whose known portfolio counts 8 companies
- Adcytherix
- Vico Therapeutics
- Memo Therapeutics
- Citryll
- Alentis Therapeutics
- Callio Therapeutics
- AnaCardio
- PulseSight Therapeutics
Investor Profile
Founders in the listed sector Healthcare, and focus areas Antibody Therapeutics, Biopharma, Biotech and Drug Discovery fall inside that listing.
Stage-wise, the deals at Pureos Bioventures cluster around Growth, Seed and Series A rounds.
What the affiliated firm has backed is the closest available signal on whether Klaus Breiner is worth approaching.
Colleagues at Pureos Bioventures
Frequently asked questions
Who is Klaus Breiner?
Klaus Breiner is a venture capital investor based in Freienbach, Schwyz, Switzerland, listed as Managing Partner at Pureos Bioventures. The known portfolio of that firm counts 8 companies. That portfolio belongs to the firm, not to Klaus Breiner personally.
What does Klaus Breiner invest in?
Listed sectors include Healthcare; listed focus areas include Antibody Therapeutics, Biopharma, Biotech 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 Klaus Breiner invest at?
Pureos Bioventures appears in Growth, Seed and Series A rounds across its known deals, and Klaus Breiner is listed there as Managing 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 Klaus Breiner listed at?
Klaus Breiner is listed as Managing Partner at Pureos Bioventures. 7 other people in the database share a firm with Klaus Breiner.
How do I contact Klaus Breiner?
An email address, a phone number and a LinkedIn page are on file for Klaus Breiner. 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