Mark Modzelewski is an operator angel with 12 known investments: Respiratory Motion, Brightline, Courtagen Life Sciences, American Red Cross, Cadenza Innovation, LiquidText, eSight, Blackridge Technology, Content Raven, Device42, LabCloud and eCurv.
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Investment focus
- Focus
- Assistive TechBattery TechContent DeliveryDiagnosticsInfrastructure SaaSLab SaaSMedical DevicesNonprofitProductivity AppsStrategic-Advisor
Contacts
Mark Modzelewski portfolio companies (12)
- Respiratory Motion
- Brightline
- Courtagen Life Sciences
- American Red Cross
- Cadenza Innovation
- LiquidText
- eSight
- Blackridge Technology
- Content Raven
- Device42
- LabCloud
- eCurv
Investor Profile
Founders in the listed sectors Climate, Hardware, Healthcare and SaaS, and focus areas Assistive Tech, Battery Tech, Content Delivery and Diagnostics will recognize the pattern in this portfolio.
Stage-wise, the known deals cluster around Growth, Pre-Seed and Seed rounds.
The portfolio and focus above give founders context on whether Mark Modzelewski matches their raise.
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Frequently asked questions
Who is Mark Modzelewski?
Mark Modzelewski is an operator angel with 12 known investments on file, among them Respiratory Motion, Brightline and Courtagen Life Sciences. The sections above list the sectors and stages attached to that record.
What does Mark Modzelewski invest in?
Listed sectors include Climate, Hardware, Healthcare and SaaS; listed focus areas include Assistive Tech, Battery Tech, Content Delivery and Diagnostics. Those tags come from the companies attached to this profile, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Mark Modzelewski invest at?
The known deals of Mark Modzelewski include Growth, Pre-Seed and Seed rounds. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
How do I contact Mark Modzelewski?
An email address and a LinkedIn page are on file for Mark Modzelewski. The address stays masked on this page and is readable inside RaiseHunt after you create an account. The database holds 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