Brief: Elementis Appoints Luc Van Ravenstein As CEO
March 13 (Reuters) - Elementis PLC ELM.L: ELEMENTIS PLC - APPOINTMENT OF NEW CHIEF EXECUTIVE OFFICER ELEMENTIS PLC - APPOINTS LUC VAN RAVENSTEIN AS CEO ELEMENTIS PLC - PAUL WATERMAN TO STEP DOWN AS CEO OF ELEMENTIS Source text: ID:nRSM4565Aa Further company coverage: ELM.L ((Reuters.Briefs@thomsonreuters.com;))