In late July, it was announced that Challenger, an Australian-based investment management firm, had named J. Walter Thompson Sydney and Match Media as its new agency partners. to manage its $10 million account. While J. Walter Thompson will have creative control, Match Media is responsible for media management. The announcement marks the first time that the 30-year-old firm is splitting the media and creative duties between two specialist agencies: J. Walter Thompson Sydney will handle the creative responsibilities and Match Media will handle the media end. See more the JWT blog.