Denise Guarino

Denise S. Guarino

EY Americas Legal Entity Rationalization Leader and Ernst & Young LLP International Tax Principal

Leader in helping to create value for Fortune 50 companies by reducing costs to align structures with business objectives. Philanthropist. Avid traveler.

Areas of focus Tax Strategy
Office Boston, US

A seasoned tax executive with extensive experience across sectors, Denise is EY Americas Legal Entity Rationalization Leader and Ernst & Young LLP International Tax Principal, focusing on Fortune 50 companies. 

By applying her legal background and tax knowledge to broad business functional issues, she takes a cross-functional approach in helping clients achieve significant cost reductions by reducing their legal entity footprint.

A member of the Taxation Section of the American Bar Association, Massachusetts Bar Association and New Hampshire Bar Association, her knowledge spans business transformation, international tax, transfer pricing and legal entity rationalization.

Denise holds a BA in Economics from Boston University, a JD in Law from Suffolk University Law School and an LLM in Taxation from Boston University School of Law.

How Denise is building a better working world

“In my work with large multinational companies, I focus on providing a new perspective to realigning their legal entity footprints to achieve business objectives. The goal is to create sustainable structures that take advantage of market opportunities and operate effectively. I enjoy combining tax with human resources, finance, treasury and other business functions to help maximize operational efficiency.” 

Contact Denise