South Korean carmaker Kia has appointed Song Min-su, its domestic production head, as co-CEO, shifting to a dual-leadership structure with President and CEO Song Ho-sung. The Hyundai Motor Group affiliate said Wednesday that its board approved Song Min-su as the new CEO. The appointment fills the vacancy left by Choi Jun-young, who had served alongside Song Ho-sung in Kia’s top leadership before Hyundai Motor Group named him in May to head its newly elevated policy development office overseeing