Fundraising Fox
Mason Pierce

Mason Pierce

YC W25

Cofounder / CTO at TrainLoop

Mason Pierce has worked on applying AI models to business problems, with a focus on fine-tuning. He founded TrainLoop to address challenges in the fine-tuning process.

Intro paths

YC

Mason went through Y Combinator (Winter 2025) — any YC alum in your network can reach them through the YC community.

In turn, Mason can intro founders to TrainLoop's investors below.

TrainLoop's investors · 1

Co-founders

Jackson Stokes· Founder