Heo Jae-hong is the Chairman of the Board of Directors at L&F and also serves as the CEO of affiliated companies JH Chemical Industries and JH Materials (formerly Sanko Korea).
Heo Jae-hong is a great-grandson of Heo Man-jung(Huh Man-jung), the co-founder of LG Group, and a fourth-generation member of the larger GS family. His grandfather, Heo Hak-gu, who founded Seronics, was the second son of Heo Man-jung. Heo Jae-hong's father, Heo Jeon-su, was the only son of Heo Hak-gu and served as the chairman of Seronics.
Heo Jae-hong was born on November 24, 1976.
He graduated from Yonsei University with a degree in chemical engineering and earned a master's degree in chemical engineering from the University of Southern California.
He began his career at LG Philips LCD Research Center in 2001 and started working at L&F's research center in 2003.
In 2006, Heo Jae-hong joined Seronics, and after the passing of his father, Chairman Heo Jeon-su, in May 2010, he became the CEO, serving in that role until October 2023.
Seronics was founded by Heo Jae-hong's grandfather, Heo Hak-gu, in 1968 under the name Jeonghwa Metal. The company was later renamed Seronics during the tenure of Heo Jae-hong's father, Heo Jeon-su, as CEO.
L&F was established in July 2000 by Heo Jeon-su after inheriting Seronics, to supply LCD backlight units (BLUs) to LG Display.
Heo Jae-hong served as CEO of L&F from 2018 to March 2021 and, as of August 2024, holds the position of Chairman of the Board of Directors. L&F is currently operated under the leadership of professional manager Choi Su-an as CEO.
In April 2023, Heo Jae-hong gained attention from Bloomberg after securing a large supply contract with Tesla. Bloomberg estimated that the combined value of the shares held by Heo Jae-hong and his related parties exceeded $800 million (approximately KRW 1 trillion).
According to the Bloomberg Billionaires Index, the valuation of their shares is estimated to be at least $800 million, which, considering exchange rates, amounts to over KRW 1 trillion.