S Korean conglomerate's 77-yr-old chief becomes billionaire
Huh Chin-kyu, the 77-year-old Chairman of South Korea-based Iljin Group, has become a billionaire after the increasing demand for the firm's copper coils, a key component of rechargeable batteries used in electric vehicles. Huh Chin-kyu's net worth has risen to $1.1 billion after the company's market value has quadrupled to about $1.8 billion since 2015, according to Bloomberg.