Executive Profile

Meet Our Leadership Team

Changsu Lee

CEO & Founder

Graduated with a Bachelor’s and Master’s degree in Computer Engineering from KAIST. After going through companies such as SKT and GameOn, he started 5Rocks, a mobile game data analysis startup, and then sold it to Tapjoy.

Yasuo Sato

Co-Founder & Japanese Representative

He was in charge of new business development and business management for 20 years and served as the general manager of 5Rocks’ Japanese business.

Kibin Shin

CAIO & Co-Founder

Worked for companies such as Neowiz, Naver, Line & worked on server framework, server backend development & operation and performance improvement of machine-translation voice recognition.

Moonsik Kang

CTO

With 20+ years of proven engineering and technical leadership experience at companies like Lyft, Tapjoy, 5Rocks, NCSoft, and Naver, he is skilled at building strong cross-functional teams and promoting positive cultures.