Investor profile
Andrew Kleiser Byrne
Accelerator, Government-backed, Private equity, Venture capital, Venture debt & Investment Associate at ACTivate Capital
Andrew Kleiser Byrne works as an Investment Associate at ACTivate Capital. The firm's known portfolio counts 22 companies.
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Investment focus
- Focus
- AerospaceBatteryClean EnergyCybersecurityInsurTechIoTRoboticsSmart GridSolarSpaceVirtual Power Plants
Contacts
Affiliated funds' portfolios
Investment Associate at ACTivate Capital, whose known portfolio counts 22 companies
- Kin Insurance
- Crusoe
- Aerones
- Starfish Space
- Vycarb
- Lunar Energy
- PosiGen
- Tomorrow.io
- Alva Energy
- Biosimo
- Swimlane
- Xnrgy Climate Systems
- and 10 more
Investor Profile
Founders in the listed sectors Climate, FinTech, Hardware and Real Estate, and focus areas Aerospace, Battery, Clean Energy and Cybersecurity fall inside that listing.
Stage-wise, the deals at ACTivate Capital cluster around Growth, Late-Stage and Seed rounds.
The firm portfolio and the focus above give founders context on whether Andrew Kleiser Byrne matches their raise.
Colleagues at ACTivate Capital
David Lincoln
Co-founder & Managing Partner
Philadelphia, United States
Cathal Purcell
Investor
Dublin, Ireland
Eric Meyer
Partner
San Francisco, United States
Paul Neal Jordan
Principal
San Francisco, United States
Emma Bell
Vice President
San Francisco, United States
Frequently asked questions
Who is Andrew Kleiser Byrne?
Andrew Kleiser Byrne is an accelerator partner and government-backed investor based in Dublin, Ireland, listed as Investment Associate at ACTivate Capital. The known portfolio of that firm counts 22 companies. That portfolio belongs to the firm, not to Andrew Kleiser Byrne personally.
What does Andrew Kleiser Byrne invest in?
Listed sectors include Climate, FinTech, Hardware and Real Estate; listed focus areas include Aerospace, Battery, Clean Energy and Cybersecurity. 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 Andrew Kleiser Byrne invest at?
ACTivate Capital appears in Growth, Late-Stage and Seed rounds across its known deals, and Andrew Kleiser Byrne is listed there as Investment Associate. 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 Andrew Kleiser Byrne listed at?
Andrew Kleiser Byrne is listed as Investment Associate at ACTivate Capital. 5 other people in the database share a firm with Andrew Kleiser Byrne.
How do I contact Andrew Kleiser Byrne?
A LinkedIn page is on file for Andrew Kleiser Byrne. It is readable inside RaiseHunt after you create an account. The database holds no email address and 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