Upstream
Upstream is a collaborative inbox where people and AI agents organize messages and coordinate work across shared email conversations.
$3MPre-Seed
Role not disclosedJS
Jean-Charles Samuelian
Activity from announced rounds
All recorded activity
- Rounds participated in
- 2
- Confirmed lead rounds
- — 2 roles undisclosed
- New companies
- 2 First participation on record · 0 follow-on
- Funding in participating rounds
- $7.5M 2 disclosed · full round size, not this investor’s share
By stage
By primary sector
By country
Rounds
2 in all activityYOU(th) Health Tech
Uses smartphone data and AI for rapid health screening and preventive care
$4.5MSeed
Role not disclosed