AgentLine
Communication infrastructure for AI agents across voice, SMS, and telecom networks.
Backing AI founders at day zero. We are a pre-seed and seed venture fund investing in AI startups globally.
Pre-seed to Series A.
Founder-first, globally.
Every great company starts at day zero -- the moment when the idea is fragile, the team is small, and the future is uncertain.
Day Zero exists to support founders at that exact moment.
We invest early, move fast, and partner closely with ambitious teams building transformative companies in AI, HealthTech, BioTech, and Automation.
Artificial Intelligence
Startups building the future of AI systems, applications, and infrastructure.
HealthTech
Technology transforming healthcare delivery, diagnostics, and patient care.
BioTech
Scientific innovation solving complex biological and medical challenges.
Automation
Platforms and tools automating workflows, operations, and industries.
Founder-first capital with conviction at the earliest stage.
Stage
Pre-seed & Seed
Check Size
Flexible early-stage investment
Approach
Founder-first partnership
Support
Hands-on help from idea to scale
We partner with ambitious founders building the next generation of technology companies.
AgentLine
Communication infrastructure for AI agents across voice, SMS, and telecom networks.
Yorby AI
Applied AI platform focused on intelligent workflows and decision support.
PlayerZero
Developer-first tools that improve reliability, observability, and performance.