Trader media replaces chief executive

TRADER Media Group has appointed Zillah Byng-Maddick as its interim chief, following the unexpected departure of John King. King has led the Auto Trader owner for five years, but left the firm yesterday. Byng-Maddick has been with the group for three years, prior to which she was finance chief at the Fitness First gym chain, as well as working at both Waterstones and HMV.