About
Joseph McAllister is co-founder and CTO of MouseCat. Previously, he spent four years at Coinbase working on risk decision systems, including streaming data pipelines and fraud detection models. He studied computer science at Cornell University and founded Roo Storage, acquired by Handled in 2020.
Co-Founder & CTO at MouseCatYC W26
Intro paths
YC
Joseph went through Y Combinator (Winter 2026) — any YC alum in your network can reach them through the YC community.
GP
Their group partner at YC was Jared Friedman, General Partner at Y Combinator — the partner who ran MouseCat's batch and knows the company first-hand. YC profile ↗
→
In turn, Joseph can intro founders to MouseCat's investors below.
MouseCat's investors · 2
Co-founders at MouseCat
NA
Nicholas AldridgeCo-Founder & CEO