Lee Joo-sung

Lee Joo-sung
이주성
Born (1978-08-11) August 11, 1978
Seoul, South Korea
Alma materUniversity of Chicago
Columbia University
Occupation(s)President and CEO of SeAH Steel Holdings
Board member ofSeAH Steel Holdings
SeAH Steel Corp.

Lee Joo-sung (Korean: 이주성; born 1978) is a South Korean businessman. He is the President and CEO of SeAH Steel Holdings, a large Korean steel conglomerate, since January 2022, and the largest shareholder of the company.