The HK4As Objectives Membership Code of Practice Executive Committee Sub-committees 2008/2009 Sub Committees Executive Committee Chairman : Royce Yuen, Chairman, Ogilvy Hong Kong Interactive & Direct Committee Chairman : Sean Rach, Managing Director, OgilvyOne Worldwide Media & Research Committee EFFIE Awards Committee Chairman : Ian Thubron, Executive Vice President, TBWA\ Asia Pacific, Chief Executive Officer, TBWA\ HK, TBWA\ Creative Commitee Chairman: Spencer Wong, Executive Creative Director, McCann-Erickson．Guangming Ltd