Marsh, the world's leading insurance broker and risk adviser, has over 24,000 employees and provides advice and transactional capabilities to clients in over 100 countries. Marsh is a member of Marsh & McLennan Companies, a global professional services firm with over 50,000 employees worldwide and annual revenue of $10 billion, which is also the parent company of Guy Carpenter, the risk and reinsurance specialist; Mercer, the provider of HR and related financial advice and services; and Oliver Wyman, the management consultancy. Its stock (ticker symbol: MMC) is listed on the New York, Chicago and London stock exchanges.