Meet our leadership team

Tammy S. Kirshon, CPA/PFS, CVA
PRESIDENT AND CHIEF EXECUTIVE OFFICER

Tammy is the managing partner Kirshon & Company, P.C. and was instrumental in the alliance recently formed with CBS. She has over thirty years of public accounting experience in a variety of industries and service areas.

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William C. Irwin, R.Ph.
CHIEF OPERATING OFFICER

Bill has a keen understanding of medical billing and coding, EMR and compliance affecting the healthcare profession.

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Mark L. DeGiacomo, CPA/PFS, CVA
VICE PRESIDENT AND CHIEF FINANCIAL OFFICER

His industry experience includes technology, software, health care, and manufacturing. His background includes internal controls assessments for both small and large organizations, including process improvement recommendations for these organizations.

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Ann E. Kummer, EA, CPA/PFS
CHIEF COMPLIANCE OFFICER

Ann has nearly 25 years’ experience working in public accounting providing accounting, tax and fiduciary services to small to mid-sized organizations, high net-worth individuals, and estates and trusts.

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Stephen A. Kirshon, CPA
CONSULTANT

Stephen founded Kirshon & Company, P.C. in 1970. He is a recognized expert in the areas of tax and business planning, litigation support, and business valuations.

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