Teppei Kamatani (UtenaOS)

Founder of Utena Inc. Building Orqetra, a secure infrastructure OS for AI agents to run autonomous workflows safely with human control.

日本
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Nebius x NVIDIA Global AI Hackathon

Online

Build the next frontier of AI on open infrastructure

$50,000 in prizes
Oct 30, 2026 01:00 PM EDT to submit
25362 participants

Build, Ship, Shape: Amazon Developer Hackathon

Online

Build across Amazon Devices and shape what's next.

$138,000 in prizes
Oct 23, 2026 03:00 PM EDT to submit
58904 participants

All Things Agentic Hackathon

Online

Ready, Set, Agent! Build next-generation agents that run in the background, handle the heavy lifting of massive datasets, and automate complex workflows asynchronously.

$180,000 in prizes
Winners TBD
12265 participants

OpenAI Build Week

Online

Join a global week of building with Codex

$100,000 in prizes
Winners announced
46675 participants