Alibaba Group CEO: Good leaders decide, innovate and sleep a lot

Since 2015, Daniel Zhang has been the CEO of China's largest online retailer Alibaba Group Holding, one of the world's biggest companies in e-commerce.

He has successfully managed global expansion in the field of selling Chinese goods to foreign customers, especially via the AliExpress website, but also in the field of cloud services.

What specifically does his successful leadership style lie in?