Complex sentence: In December 2008, City Telecom chairman Ricky Wong Wai Kay was assigned as new the chief executive while former PCCW deputy chairman Linus Cheung Wing-lam became executive chairman.
Split into simpler sentences: In December 2008, City Telecom chairman Ricky Wong Wai Kay was assigned as new the chief executive. While former PCCW deputy chairman Linus Cheung Wing-lam becomes executive chairman.