Jaesun Han

Jaesun Han is a prominent figure in the blockchain and technology industry. He served as the Chief Executive Officer (CEO) of Ground X, a blockchain technology subsidiary of Kakao, from March 2018 to March 2022.23 Han is the founder of the Klaytn blockchain and Ground X, and holds a Ph.D. in Electrical Engineering and Computer Sciences from KAIST.2

Throughout his career, Han has held several key positions:

1. Currently an adjunct professor at KAIST School of Computing since March 202324
2. Founder and CEO of NexR, a pioneering tech startup in Korea specializing in big data and cloud computing2
3. CEO of KT NexR from 2011 to 20142
4. Co-founder and CTO of FuturePlay, an accelerator and investor focused on technology startups in the Asia-Pacific region24
5. CTO of KT Cloudware for over two years2

Han's expertise spans various fields, including blockchain, big data, cloud computing, and IT services.12 His leadership at Ground X led to the development of products such as Klaytn (a public blockchain platform), Klip (a digital asset wallet), and KAS (a Klaytn API service for blockchain developers).2

Recently, in November 2024, Han was appointed as an outside director of Key Inside, a blockchain-specialized company.1 This appointment is expected to accelerate the creation of practical blockchain-based services and foster collaboration between Key Inside and Ground X.1