Co-CEO

Kijun Seo

Kijun Seo co-founded Planetarium Labs and currently serves as its co-CEO. The company is at the forefront of community-powered decentralized gaming, notably launching "Nine Chronicles"—a unique open-source RPG running entirely on the blockchain and recognized as the most played on-chain game. Prior to Planetarium, Kijun contributed to projects at Dropbox and Nexon, with an emphasis on real-time collaboration tools and mobile gaming. Holding a Computer Science degree from the California Institute of Technology, Kijun possesses a keen interest in the intersection of gaming and decentralized innovation.


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