Farmer's son becomes billionaire after early bet on wind power

Gim Seong-gon was running a steel-manufacturing business in the late 1980s when he became fascinated by wind power. The South Korea native saw growth potential in the field and decided to get involved.

It was a good decision. With an early injection of capital from Goldman Sachs, his CS Wind Corp. has become the world's biggest manufacturer of wind towers. The firm's shares have rallied for the past four years, surging almost fivefold in 2020 alone, and expectations are running high for even more growth with the change of administrations in Washington...