By Liza Lin

Lazada Group, the Southeast Asia-focused online-shopping unit of Chinese technology giant Alibaba Group Holding Ltd., has named Chun Li as its new chief executive.

Mr. Li, formerly Lazada's Indonesia head and co-president of the Singapore-based e-commerce platform, replaces outgoing CEO Pierre Poignant, Lazada said in a statement Friday.

Mr. Poignant will take on a new role as special assistant to Alibaba Group's chairman and CEO, Lazada said.

Write to Liza Lin at liza.lin@wsj.com