Korean businessman Lee Jay-Hyun has an estimated net worth of $2.5 billion as of April 2016 according to Forbes.

This 53-year old businessman is a graduate of Korea University. Forbes reported that Lee Jay-Hyun is currently married with four children. He is known to be the grandson of Samsung's late founder. CJ Group separated from Samsung in 1997 and through time, CJ Group developed into the biggest food processor in Korea which later expanded into pharmaceuticals, media, home shopping, logistics and entertainment.

Among its notable subsidiaries include CJ Entertainment  which is considered as the largest film distributor and investor in Korea, CJ CGV which is hailed as Korea's largest multiplex theater chain, and Mnet Media. Through time, CJ Group has made several acquisitions which include companies like Wonhyeong Industrial CO, Korea Express, OnMedia, Dongryp Industrial Corp., Yongin Hog Farm, Accord Express, CJ Consortium, CJ Internet, Hanil Pharmaceuticals Ind, Shin Dong Bang Corp., Dongyang Jedang and Mipung Industrial CO. This South Korean conglomerate company operates through its numerous subsidiaries worldwide.