An unconfirmed source claimed that U Mobile will soon get a new CEO. It is believed that the new U Mobile CEO is a Korean and was previously with KTF(Korea Telecom Freetel).
Last year, U Mobile confirmed a strategic partnership with KT Freetel and NTT DoCoMo resulting a 33% stake purchased in U Mobile.(More here)
Stay tuned for the official update on the Mobile World website.