Samsung appoints Dongjin Koh as new president of mobile communications business

Samsung has appointed Dongjin Koh as the new president of the company's mobile communications unit. He was previously the head of the tech giant's mobile research and development division. Koh replaces JK Shin, who has been in charge of Samsung's smartphone business since 2011. While Shin - who is also the co-CEO of Samsung Electronics - is stepping down from his current role, he will