MassMutual is an international financial services firm with nearly 13 million clients worldwide and over $505 billion in assets under management at year-end 2007. The company's marketing name is MassMutual Financial Group.
Founded in 1851, MassMutual is a mutually owned financial protection, accumulation and income management company headquartered in Springfield, Massachusetts. MassMutual provides life insurance, annuities, disability income insurance, long term care insurance, retirement planning products, income management and other products and services for individuals, business owners, and corporate and institutional markets.
MassMutual’s affiliates include OppenheimerFunds, Inc.; Babson Capital Management LLC; Baring Asset Management Limited; Cornerstone Real Estate Advisers LLC; MML Investors Services, Inc.; The MassMutual Trust Company, FSB; MML Bay State Life Insurance Company; C.M. Life Insurance Company (formerly the Connecticut Mutual Life Insurance Company); and MassMutual International LLC.
As of 2006, following a series of mergers and acquisitions in Massachusetts, most notably Gillette, and FleetBoston Financial, MassMutual became the highest ranking firm on the Fortune 500 based in the state of Massachusetts.
On December 18th, 2006, Stuart H. Reese, Chief Executive Officer and President of MassMutual, was named Chairman of MassMutual's Board of Directors.