Byron Callies works as a Senior Leader at Mayo Clinic. The firm's known portfolio counts 10 companies.
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Investment focus
- Sector
- AIHardwareHealthcareSaaS
Contacts
Affiliated funds' portfolios
Senior Leader at Mayo Clinic, whose known portfolio counts 10 companies
- WHOOP
- Vitestro
- OpenEvidence
- Hellocare
- ViewsML
- Sana Biotechnology
- MediView XR
- BrightInsight
- Corvus
- Sub-Q Bionics
Investor Profile
Founders in the listed sectors AI, Hardware, Healthcare and SaaS, and focus areas Diagnostics, Digital Health, Enterprise SaaS and Machine Learning fall inside that listing.
Stage-wise, the deals at Mayo Clinic cluster around Growth, Late-Stage and Pre-Seed rounds.
What the affiliated firm has backed is the closest available signal on whether Byron Callies is worth approaching.
Colleagues at Mayo Clinic
Shai Ran Sapir
Investor
Rochester, United States
Karla Frohmader Hilsaca
Director
Rochester, United States
Spencer Mocarski
Venture Capital
Rochester, United States
Xavier Frigola
Affiliated
United States
Bernard R. Bendok
Investor
Scottsdale, United States
Gianrico Farrugia
President and CEO
Rochester, United States
Steven Lester MD
Investor
Scottsdale, United States
Nir G.
Senior Director
United States
Frequently asked questions
Who is Byron Callies?
Byron Callies is a corporate venture investor based in Rochester, Minnesota, United States, listed as Senior Leader at Mayo Clinic. The known portfolio of that firm counts 10 companies. That portfolio belongs to the firm, not to Byron Callies personally.
What does Byron Callies invest in?
Listed sectors include AI, Hardware, Healthcare and SaaS; listed focus areas include Diagnostics, Digital Health, Enterprise SaaS and Machine Learning. 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 Byron Callies invest at?
Mayo Clinic appears in Growth, Late-Stage and Pre-Seed rounds across its known deals, and Byron Callies is listed there as Senior Leader. 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 Byron Callies listed at?
Byron Callies is listed as Senior Leader at Mayo Clinic. 8 other people in the database share a firm with Byron Callies.
How do I contact Byron Callies?
An email address, a phone number and a LinkedIn page are on file for Byron Callies. 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