Executive Profile

Changsu Lee
Founder & CEO
Graduated with a bachelor's degree and master's degree in computer engineering at 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 & Japan Country Manager
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
Co-Founder
Worked for companies such as Neowiz, Naver, Line and 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.

Jay Tchakarov
US Country Manager
He has more than 15 years of experience leading go-to-market, operations and product at fast growth tech and SAAS companies, including PROS, Velostics, and HighRadius.

Kensaku Kobayashi
CFO
Graduated from Hitotsubashi University and holds an MBA from the University of Massachusetts. A Certified Public Accountant (Japan), he has experience in auditing, M&A, and finance management at KPMG AZSA LLC, a Japanese accounting firm in Vietnam, and an AI startup.

Junghoon Lee
CAIO
Holds an M.S. in Computer Software Engineering from Sungkyunkwan University. Formerly an NLP Modeler at Interpark; previously led RAG and AI teams at Allganize. Holds multiple global patents in Retrieval-Augmented Generation (RAG) and intelligent chatbot systems.