Education
Bryant University
M.S. in Accountancy
B.S. in Business Administration
Years of Experience
8 Years
Industry Expertise
Biotechnology, Life Sciences, Medical Devices
Big Four Alma Mater
EY
Katie Castelli
Manager – Tax
Katie brings over eight years of corporate income tax compliance and reporting experience to WilliamsMarston.
Prior to joining WilliamsMarston, Katie worked in EY LLP’s Global Compliance & Reporting practice in Boston. While at EY, Katie prepared US federal, state and foreign income tax returns, prepared and audited the tax provisions for domestic and multinational entities, and performed a wide variety of tax advisory services. Katie’s industry experience includes biotechnology, medical devices, and life sciences, amongst others.
Katie holds a Master of Professional Accountancy degree and a Bachelor of Science degree in Business Administration with a concentration in Accounting from Bryant University.