TrainLoop
Winter 2025 · Active
Reasoning Fine-Tuning
Location: San Francisco, US
Founded: 2025
Team size: 2
About
TrainLoop makes it effortless for developers to supercharge LLM performance through reinforcement learning.
Founders
Jackson StokesFounder
Cofounder at TrainLoop; I optimize language models. Previously, I worked on kernel level optimizations for Gemini at Google, and framework level optimizations on video models at Google Research.
Mason PierceCofounder / CTO
My background is in applying AI models to business use-cases and have always found fine-tuning to be way harder than it should be - My mission is to unlock fine-tuning for all builders :)