Cuckoo Labs

Real-time AI translator for global sales and marketing

Y CombinatorWinter 2025ActiveB2BArtificial IntelligenceB2BSalesMarketing

What they do

Problem

Global teams struggle to communicate accurately in real time during technical sales, marketing, and support conversations across languages.

Solution

Cuckoo provides a real-time AI translation and interpretation tool for Zoom and in-person meetings that learns domain-specific terminology from keywords and documents to translate into 20+ languages.

Who it's for

Enterprises and global companies running multilingual sales, marketing, and support meetings (e.g., teams at Snowflake and PagerDuty).

Founders

Yong Hee Lee

Founder

Co-founder & CEO, GTM at Cuckoo, AI interpreter for global teams. Before Cuckoo, I was the first GTM at two startups in Korea—one focused on online programming and the other on AI infrastructure—where I also led event marketing involving international speakers. I studied Electrical Engineering and Science & Technology Policy at KAIST.

LinkedIn · X

Gunwoo Kim

Founder

Co-founder & CTO at Cuckoo, real-time AI translator for global sales & marketing. Before Cuckoo, I built South Korea's fastest-growing ride-hailing app at (1M users in 9 months), which was faster than Uber Korea. Studied CS at KAIST.