Marsh & McLennan Companies, Inc. is a professional services company in the areas of risk, strategy and people. The Company conducts business through two segments: Risk and Insurance Services, and Consulting. Risk and Insurance Services segment includes risk management activities (risk advice, risk transfer and risk control and mitigation solutions) as well as insurance and reinsurance broking and services. It conducts business in this segment through Marsh and Guy Carpenter. Marsh is an insurance broker and risk advisor, serving companies, institutions and individuals. Guy Carpenter is a reinsurance intermediary and advisor. Consulting segment includes health, wealth and career advice, solutions and products, and specialized management, strategic, economic and brand consulting services. It conducts business in this segment through Mercer and Oliver Wyman Group. Oliver Wyman Group serves as a critical strategic, economic and brand advisor to private sector and governmental clients.