Through it subsidiaries, Marsh & McLennan Companies offers risk management, risk consulting, insurance broking, financial solutions and insurance program management services for businesses, public entities, associations, professional services organizations, and private clients. It is a parent company for Marsh, a risk and insurance services firm; Guy Carpenter, a leading risk and reinsurance specialist; Kroll, a risk consulting company; Mercer, a major global provider of human resource and specialty consulting services; and Putnam Investments, one of the largest investment management companies in the United States. Through these subsidiaries, MMC employs approximately 59,000 professionals who provide analysis, advice and transactional capabilities to clients in more than 100 countries. Michael G. Cherkasky has been the chief executive officer of Marsh & McLennan for more than two years. He has been with the insurance company for over 12 years. Cherkasky earned BA and JD degrees from Case Western Reserve. Founded in 1871, Marsh & McLennan Companies is headquartered in New York.