Junghyun Kim

Junghyun Kim


Junghyun Kim is Klaytn’s Vice President of Strategy and Operations and previously served as the company’s Vice President of Technology. He graduated from Seoul National University.

Education Experience

Relevance Person

Ji Hoon Park

Ji Hoon Park is the founder of Radius. He worked as a software engineer at Samsung Research Institute and graduated from Seoul National University. In 2019, AJ established ZK-SEL in South Korea, a specialized ZK research committee.

John Cho

John Cho is the VP of Marketing at Klaytn.

Ethan Kyuntae Kim

Ethan Kyuntae Kim is a Partner at Hashed. He focuses primarily on investments in Decentralized Applications (DApps) and blockchain games. Ethan began his career as a software engineer at Electronic Arts. He was also the lead engineer at TicToc (Korean mobile messenger with over 20 million users, later acquired by SK Planet). Ethan graduated with a Bachelor of Electrical Engineering degree from Seoul National University.

Jaesun Han

Jaesun Han is the founder of Klaytn and Ground X.

Uno Lee

Uno Lee is the VP of Business & Governance at Klaytn Foundation.

Sangmin Seo

Sangmin Seo is the Director of the Klaytn Foundation.


EZ Yi is the Lead of strategy and treasury at Klaytn.

Youbin Kang

Youbin Kang is the CEO and CIO of Nonce Classic. He graduated from Seoul National University.

Dave Shin

Dave Shin is the Head of Business Development, Asia and EMEA at Immutable.

Daejun Park

Daejun Park is a Senior Blockchain Security Engineer at a16z crypto, developing formal methods and tools for web3 security to help portfolio companies in particular and the web3 community in general to raise their security bar. Prior to joining a16z crypto, he was a Director of Formal Verification at Runtime Verification.Early in his career, he was a founding member of another tech startup Sparrow. Daejun received a Ph.D. in Computer Science from the University of Illinois at Urbana-Champaign, and his B.S. and M.S. degrees from Seoul National University. His work on language-parametric program verification received the Distinguished Paper Award at OOPSLA’16.