Anthony Mangiameli and Tessa Spinelli of Insero & Co. CPAs, LLP have been named to the inaugural “Forty Under 40” awards by the New York State Society of Certified Public Accountants.


The award honors members of the NYSSCPA who hold a leadership role of importance in their organization, have made significant achievement sin their career, and have substantial involvement in community service outside of the performance of their day-to-day job.


Mangiameli is a resident of Penfield and is a graduate of St. John Fisher College. He has been with the firm since 2006 and is currently a Principal in the Audit and Busines Advisory Services Group. He has volunteered with several Rochester-area organizations including Champion Academy Extreme Mentoring & Empowerment Initiative and Flower City Habitat for Humanity.


Spinelli is a resident of Brighton and is a graduate of the State University of New York, College at Geneseo. She has been with the firm since 2011 and is currently a Manager in the Audit and Business Advisory Services Group. She has volunteered with various Rochester-area organizations, and in 2019 led the firm’s first company-wide volunteer day with Rochester Childfirst Network.


For more information on the 2020 NYSSCPA Forty Under 40 award and criteria, click here.


For the full list of honorees, click here.



Rochester-based Insero & Co. CPAs is an accounting and business advisory practice with locations throughout New York state. A full-service public accounting firm, Insero provides attest, tax and consulting services to government agencies, colleges and universities, nonprofit organizations and companies ranging from privately held family businesses to multi-national corporations. These clients represent many industries, including service, manufacturing, distribution, high-tech, telecommunications, education, social services and real estate. For more information, visit