YC Spring 2026 (P26) founder

Zac Policzer

Founder of Zibra Labs, Distributed runtime for AI workloads at scale

Company

Zac Policzer is listed as a founder of Zibra Labs. We build distributed compute clusters with the cheapest CPUs and GPUs across Hyperscalers and Neoclouds for AI. Our mission is to bring frontier-grade infrastructure to everyone. We're starting by building large scale high performance computing (HPC) clusters for quantitative trading firms to run parallel simulation workloads such as backtesting. Our technology generalizes to critical AI workloads such as post-training with reinforcement learning, fine-tuning, long-horizon agents with high tool use, and batch inference.

Founder traction evidence

Public posts and activity attributed directly to this founder.

  1. LinkedIn

    I landed our first sale at Zibra Labs and decided to write a post about the technology we're building and some of the fun things you can do with it.

    I landed our first sale at Zibra Labs and decided to write a post about the technology we're building and some of the fun things you can do with it. I'm hoping it's a fun read even for my non-technical connections. Check it out!

  2. LinkedIn

    Zibra Labs is raising it's seed round along with the rest of the P26 batch this week, and that's very stressful for everyone.

    Zibra Labs is raising it's seed round along with the rest of the P26 batch this week, and that's very stressful for everyone. Especially CTO's. In fact, CTO's are probably the most stressed and important people during this time. So wrote a post describing what I think many...

  3. LinkedIn

    This is pretty much the same thesis we had when we started Zibra Labs.

    This is pretty much the same thesis we had when we started Zibra Labs. A company that owns its intelligence digs and keeps it's moat.