United States · 
Who invested in Phaidra?
Phaidra's investors include Index Ventures, Collaborative Fund, NVIDIA, S32 and Flying Fish Partners.
United States · Series B startup
Who invested in Phaidra
Funding summaryUpdated 26 Oct 2026
$50Mraised across 1 round since 2025, from 1 source
- Latest round
- Series B, $50MOct 2025
- Investors
- 5
The rounds
- Oct 2025
Founders and team
From Phaidra's own website: 3 founders, 8 on the team.
- Christopher VauseChief Product Officer
- David HarrisonChief Financial Officer
- Heather Lo GulloHead of Business and People Operations
- Parker ReedVP of Legal
- Tim CheadleVP of Engineering
- Torbjorn SvenssonVP of Sales
- Chadwick ThresherDirector of Cyber Enablement
- Kenzo SpauldingDirector of Infrastructure Engineering
Everyone who backed them
NVIDIACompany1round
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Also claim to have backed them
These 6 firms list Phaidra as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.
Quick answers about Phaidra
How much has Phaidra raised?
Phaidra has raised $50M across 1 round since 2025.
When did Phaidra last raise?
Phaidra's most recent round was a Series B of $50M in Oct 2025.
What was Phaidra's biggest round?
Its most recent round, $50M in Oct 2025, is also its largest on record.
Who backed Phaidra first?
Phaidra's first round on record, in Oct 2025, was backed by Index Ventures, Collaborative Fund and NVIDIA and 2 others.
What stage is Phaidra at?
Phaidra's latest named round is a Series B, in Oct 2025.
Where is Phaidra based?
Phaidra is based in the United States.
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