Tom Colosi – Biography
Last update: December 23, 2025Executive profile
Tom was Senior Vice President and Chief Underwriting Officer at Sparta Insurance, and Assistant Vice President at The Hartford. Tom Colosi joined MassMutual in 2014. Tom served as Senior Vice President at MassMutual.
Tom Colosi is currentlyPresident at Great American Alternative Markets - View - Great American Alternative Markets org chart
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Education
In 1983, Tom Colosi completed a Bachelor of Arts in Biochemistry at University of California, Berkeley.
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- At Great American Alternative Markets, Tom Colosi has 6 colleagues including Ron Morrison (Senior Vice President), Jay Bombard (Underwriting)…
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- In the Insurance industry, Tom Colosi has 69,240 colleagues in 3,979 companies located in 106 countries. 20,974 executive movements have been recorded in the last 12 months. Learn more about Insurance.
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