South Korea's SK Group on Friday nominated a new head for its energy business and assigned the development chief of its chipmaking subsidiary SK Hynix to a new U.S. role focusing on key technology clients and research. These appointments, effective in 2027, aim to complete the group's portfolio reorganization, strengthen its financial position, and invest in AI and advanced technologies. Power and energy expert Cheong Seung-il was nominated as the next CEO of SK Innovation.