Reach the investors backing rounds like this
Backed by Y Combinator, Connect Ventures +1 more · verified emails and LinkedIn on Datapile

Upstream Raises $3M Pre-seed - The SaaS News
Upstream is a Paris-based software startup developing an AI-native email platform. The company aims to modernize the email experience by allowing human teams and AI agents to collaborate effectively within a single inbox environment.
Upstream Raises $3M Pre-seed The SaaS News
You just read who funded Upstream. The same database has the investors behind every other round — with verified emails, check sizes and the stages they actually write at.
Free account: 15 investor contact unlocks a month, no card required.