SK hynix's Vice Chairman Park Jung-ho, who is also the chief of SK Telecom, has been appointed as the chipmaker's co-CEO at its board meeting 30 March 2021. As co-CEO, Park will assume the role of building the corporate culture and leading establishment of long-term strategies for the chipmaker to strengthen global competitiveness and find new growth opportunities. Current CEO Lee Seok-hee will be responsible for development, investment and operation to strengthen technology and product competitiveness. With Park's appointment, the chair of the board will be replaced by Lead Independent Director Ha Yung-ku, who was formerly the CEO of Citibank Korea.