Dec 20 (Reuters) - Virgin Australia Holdings Ltd VAH.AX :
* VIRGIN AUSTRALIA HOLDINGS - RAY GAMMELL APPOINTED TO TAKE OVER ROLE OF NON-EXECUTIVE DIRECTOR AS NOMINATED REPRESENTATIVE OF ETIHAD AVIATION GROUP
* VIRGIN AUSTRALIA HOLDINGS LTD - ROBIN KAMARK WILL STEP DOWN FROM HIS ROLE AS NON-EXECUTIVE DIRECTOR OF BOARD OF VIRGIN AUSTRALIA GROUP