President & CEO KueJin Han

Mr. KueJin Han founded Kostecsys Co., Ltd in 1997 and has so far served as President & CEO.
Mr. Han is an industry's leading expert who developed low thermal expansion, low heat dissipation material and RF package for the first time in Korea.

CFO SeungJu Lee

Mr. SeungJu Lee joined KOSTEC in 2006 and now serve as CFO.
He has led the company's listing on the KOSDAQ and is leading the internal control system and management environment with his wealth of experience.

CPO ManIn Heo

Mr. ManIn Heo joined KOSTEC in 2000 and now serve as CPO.
Mr. Heo is in charge of production from high heat dissipation material to various packages and is committed to production and quality management for leading to the world's best products.

CMO Paul Park

Mr. Paul Park joined KOSTEC in 2004 and now serve as CMO.
Mr. Park is a pioneer in sales & marketing that have introduced and supplied various package parts & high heat dissipation material parts to the world market.

CTO Steve Han

Mr. Steve Han joined KOSTEC in 2022 and now serve as CTO.
Mr. Han is committed to developing new technologies as a chief technology officer developing low thermal expansion, high thermal dissipation materials, RF package, spacer and current sensors.