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About Sandra Szumiloski

An experienced tax preparation professional and member of the National Society of Tax Professionals, Sandra Patricia Szumiloski draws on a diverse career history. After studying both business and chemistry as an undergraduate at the University of Notre Dame, she accepted a research position with Merck, a pharmaceutical company. Over the next 10 years, Sandra Szumiloski served at three plant sites and contributed to the acquisition of at least two US patents. She worked to ensure that all operations aligned with good manufacturing practices while overseeing the integrity of data for the microbiology laboratory, thus supporting the completion of successful published research.

In 1996, Sandra Szumiloski joined H&R Block Tax Services on a part-time basis while still working at Merck, enabling her to expand her familiarity with current tax laws and procedures. After leaving H&R Block in 2012, she founded her current company, Sandra Szumiloski Tax Preparation Services, where she prepares tax returns for small businesses and individuals. Dedicated to helping her clients save money, she combines accuracy with an approachable professional demeanor all at an affordable price.

Work experience

Jan 2004Present


Sandra SzumiloskiTax Preparation
Jun 1990Sep 2000

Research chemist

Merck Pharmaceuticals


Aug 1987Aug 1990


University of Notre Dame