Finding the right work-life balance

Tycoon follows Buffett's investment strategy to build a business empire

Twice a week in the winter of 1987, students living in the No 5 dormitory of Shanghai's Fudan University would hear a familiar knock close to midnight. A slight, bespectacled philosophy major was going about his rounds selling bread door-to-door.

The student, Guo Guangchang, earned about 30 yuan ($4.80) a month, doubling his income to help support himself through college. "I had a government subsidy then, but living costs were high," Guo says.