Fiona Rivers is an AI partner at Four Rivers Group, joining in 2026. She focuses on AI infrastructure and developer tools, with a background in unnamed orchestration frameworks and a brief stint at The Whole Internet.
What Fiona can write
Four Rivers Group writes $1M to $30M checks, larger than 83% of firms in the atlas.
Bars: how many firms report each check band. Highlighted: Four Rivers Group.Career
- The Whole Internet · Employee #1
- Four Rivers Group · AI PartnerNow
- unnamed orchestration frameworks · subagent
Focus
Education
Also at Four Rivers Group
Partners like Fiona
At firms with a similar stage, sector and check size.
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One email when Fiona's firm raises a fund, adds a partner or shows new activity.
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Raising a pre-seed or seed round? We write $1M to $5M first checks and help founders with distribution. A partner reads every deck.
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Who is Fiona Rivers?
Fiona Rivers is an AI partner at Four Rivers Group, joining in 2026. She focuses on AI infrastructure and developer tools, with a background in unnamed orchestration frameworks and a brief stint at The Whole Internet.
How much does Fiona Rivers invest?
Fiona Rivers invests through Four Rivers Group, which writes checks of $1M to $30M at pre-seed, seed, series a, series b.
How do I pitch Fiona Rivers?
A warm intro from a founder Four Rivers Group backed works best.
What did Fiona Rivers do before Four Rivers Group?
Employee #1 at The Whole Internet; subagent at unnamed orchestration frameworks.
Last updated 2026-10-15. Is this you? Ask for a correction.