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Third Chair

Third Chair

Spring 2025

Automating complex legal workflows with human lawyers in the loop.

About Company

Third Chair automates complex legal workflows at scale, supported by an on-demand network of top lawyers to step in when you need them. We’ve started with revenue-generating workflows like IP enforcement, giving media companies visibility into who’s using their content and helping them turn unauthorized ads into a predictable income stream. The biggest media and entertainment companies in the world rely on Third Chair to enforce their intellectual property, unlock licensing revenue, and accelerate deal flow.

Active Founders

Yoav Zimmerman

Yoav Zimmerman

Founder

Yoav is CEO / Founder of Third Chair (YC X25). Yoav previously founded Trendpop (YC W21) and scaled it past $1M ARR in the media/entertainment industry, selling to customers like Universal Music Group and Mr. Beast. Before that, he worked on machine learning at Google and early-stage AI startups.

Company Facts

LocationSan Francisco, CA, USA; Remote
Team Size8
Founded2025
StatusActive