Mary Ann DeMatteo started her career as a bookkeeper/accountant for DelMonaco's Restaurant for 14 years. She received her Bachelor of Science degree in Financial Accounting from The University of New Haven graduating magna cum laude. Soon after, she obtained her CPA license and started her CPA practice in 1986. Besides her own practice, she also worked at the public accounting firm, Seward and Monde, and as a Controller for National League for Nursing Inc. in New York and Lakin Tires.
She is affiliated with the American Institute of Certified Public Accountants, American Society of CPA's and the Connecticut Society of CPA's.