Lee Jai-sang is the President and CEO of Woojin. He is the son of Woojin's founder and Chairman, Lee Sung-bum.
Woojin is a company engaged in the manufacturing and maintenance of industrial measuring instruments and exclusively supplies four key measuring instruments installed in the reactors of large domestic nuclear power plants.
He was born as the second son on November 30, 1973, to Chairman Lee Sung-bum and Kim Gwang-ja (who passed away on January 3, 2023). Lee Jai-won, the Chairman of Woojin's Board of Directors, is his elder brother.
Lee Jai-sang graduated from the Physics Department at Cheongju University in 1998 and earned a Master's degree in Business Administration from Yonsei University Graduate School in 2015.
He joined Woojin as the Head of the Research Planning Team and advanced through roles such as Director, Deputy Director of the Research Institute, and Executive Director of the Integrated Operations Office. In March 2016, he became President and CEO, taking over the management rights.
As a second-generation owner-manager, he oversees Woojin's nuclear business research and development processes and strives for the localization of Korean nuclear power plant measuring instruments.