The South Korean e-commerce giant annnounced Thursday that its founder and board chair, Kim Bom-seok, also known as Bom Kim, has stepped down the the board of the world’s fastest growing retailer to focus on expanding its business overseas, The Korea Times reports.

Though Kim will no longer oversee Coupang’s domestic operations, he will retain his CEO role and board title at parent company Coupang Inc. Kang Han-seung, Coupang’s representative director of business management, was appointed Kim’s replacement.

Coupang has already begun expanding in markets like Japan and Singapore; it plans on growing its presence in Southeast Asia through offering grocery and food delivery services as well as fintech and expedited delivery to users in the increasingly lucrative region.