Business & FinanceAlibaba chairman Jack Ma to step down in 2019: companyTestHostEntrySeptember 10, 2018June 7, 2022 by TestHostEntrySeptember 10, 2018June 7, 2022 Beijing | Alibaba co-founder and chairman Jack Ma will step down as head of the e-commerce giant on September 10, 2019, the company said on Monday....