Jack Ma, billionaire and chairman of Alibaba Group Holding Ltd., gestures as he speaks during an event at Waseda University in Tokyo, Japan. (Photographer: Tomohiro Ohsumi/Bloomberg)

Jack Ma Draws Controversy by Lauding Overtime Work Culture

(Bloomberg) -- To survive at Alibaba Group Holding Ltd. you need to work 12 hours a day, six days a week. That’s what billionaire Jack Ma demands of his staff at China’s biggest e-commerce platform.