Robert J. O'Connell President &CEO Massachusetts Mutual Life Insurance Company Revenue: $11.7 billion Employees: approx. 5,000 Robert J. O'Connell was appointed president, chief executive officer and director of Massachusetts Mutual Life Insurance Company (MassMutual) on January 4, 1999. He brings to MassMutual more than 28 years of experience in the life insurance industry … [Read more...] about The 100 Most Influential Irish Americans in Business: R. O’Connell – P. O’Malley
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