We strive to maximize the impact
and longevity of your mobile game.

Changsu
Changsu Lee
CEO / Founder

With his engineering mastery and years of experience in the gaming industry, Changsu leads the company’s day-to-day operations and product development. Before founding 5Rocks with Chester Roh, he worked as a technical lead at GameON, a Japanese developer and publisher of video games, and as a product manager at SK Telecom, the largest telecommunication firm in Korea. He holds a BS and a MS in computer science from Korea Advanced Institute of Science and Technology (KAIST).

Simon
John Simon
Software Engineer
Moonsik
Moonsik Kang
Software Engineer
Sun
Sun
Software Engineer
Sangmin
Sangmin Hong
Software Engineer
Keewon
Keewon Seo
Software Engineer
Junghyun
Junghyun Kim
Software Engineer
Koh
Yoonjung Koh
Software Engineer
Dongyoon
Dongyoon Lee
Software Engineer
Kyuho
Kyuho Han
UX Engineer
Jungwook
Jeongwook Lee
UX Engineer
Sangboak
Sangboak Lee
UX Engineer
Daesic
Daesic Woo
Product Manager
Reum
Ahreum Kang
Designer
Hyunmyung
Hyunmyung Jang
Designer