(Telecompaper) LG Electronics is replacing the head of its mobile phone business. Hwang Jeong-hwan has been named president and CEO of the LG Mobile Communications Company, while current president Juno Cho takes on a new role within LG's parent company. Hwang has years of experience in R&D and was closely involved in developing one of LG's first smartphones in 2009 as head of the CTO's Multimedia R&D Lab, the company said.