Hong Seok-Joh was born in Seoul, South Korea, South Korea, is BGF Retail Co.. Hong Seok-Joh is #1803 in List Billionaires People In The World. Hong Seok-Joh heads Korea's largest convenience store company, BGF Retail. Operating under the brand name CU, it has more than 8,000 stores and generated revenue of more than $30 billion. The business got its start in 1989 via a franchise-licensing agreement between the Hong family's Bokwang Group and Japanese convenience store operator FamilyMart. His sister, Hong Ra-Hee, is the wife of Samsung Group Chairman Lee Kun-Hee, South Korea's richest person.