Details
Sangmin Seo is the Chairman of Klaytn after previously serving as Chief Klaytn Officer at Krust Universe, where he led the development and operations of the Klaytn blockchain. He was also previously the Chief Technology Officer and chief product Officer at Ground X. Sangmin Seo graduated from Seoul National University and holds a PhD in Electrical Engineering and Computer Science from the university.
Work Experience
Education Experience
![Sangmin Seo (Sam) {&}](https://public.rootdata.com/images/b44/1718162852972.jpg)
Sangmin Seo (Sam) {&}
@seo_sangmin![](/_nuxt/img/x_trend_icon.0deaeed.png)
![Ki Young Ju](https://public.rootdata.com/images/b30/1684821463514_128x128.webp)
![Seraphim Czecker](https://public.rootdata.com/images/b12/1694420566409_128x128.webp)
![Baek Kim](https://public.rootdata.com/images/b9/1671091006481_128x128.webp)
Relevance Person
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Dave Shin
Dave Shin is the Head of Business Development, Asia and EMEA at Immutable.
![](https://public.rootdata.com/images/b6/1696674154142.jpg)
John Cho
John Cho is the VP of Marketing at Klaytn.
![](https://public.rootdata.com/images/b6/1696673541402.jpg)
Uno Lee
Uno Lee is the VP of Business & Governance at Klaytn Foundation.
![](https://public.rootdata.com/images/b6/1696673930085.jpg)
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.
![](https://public.rootdata.com/images/b9/1671089787442.jpg)
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.
![](https://public.rootdata.com/images/b44/1716866390311.jpg)
Hong Yul RYOO
Hong Yul RYOO is the CEO of BDACS. He graduated from Seoul National University and holds a master's degree in law from the University of Southern California.
![](https://public.rootdata.com/images/b12/1684397205897.jpg)
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.
![](https://public.rootdata.com/images/b6/1720413659489.jpg)
Kyunghwan Min
Kyunghwan Min was previously a partner at BLOCORE and Director of Apps and Games Business Partnerships at Google Korea. He is also an angel investor in several Web3 projects.
![](https://public.rootdata.com/images/b39/1711965895821.jpg)
SuKyung (Sue) Na
SuKyung (Sue) Na is the COO of Hyperithm. She graduated from Seoul National University.
![](https://public.rootdata.com/images/b39/1720769674074.jpg)
James Lim
James Lim is the founder of Blocore and a founding partner of True Global Ventures. He graduated from Seoul National University.