Activity in this selectionOct 16, 2026 · Jul 19, 2026
- Rounds participated in
- 2
- Confirmed lead rounds
- 0
1 roles undisclosed- New companies
- 2
First participation on record · 0 follow-on- Funding in participating rounds
- $1.3B
2 disclosed · full round size, not this investor’s share
Rounds
2 in this selectionArenaArena evaluates AI models through comparisons and observations of how people use them in real tasks.
ParticipantRiver AIBuilds infrastructure for training and serving personally trainable AI agents
Role not disclosed