Celebrating Withum’s Six Newest Partners

Each of these professionals represents Withum’s next generation of leaders tasked with carrying on the tenets of our enduring company values and Withum Way traditions.

Bill Hagaman, CPA, CGMA, Managing Partner, CEO

Anthony Aniello
CPA, Partner

Specializes in U.S. and International tax compliance and consulting in the Financial Services group. View Bio
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Jessica Hollobaugh Giresi
CPA, ABV, CFE, Partner

Focuses on a wide range of consulting services related to civil and criminal litigation. View Bio
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Erik Halluska
CPA, Partner

Specializes in Hospitality and Not-for-Profit industries in Withum’s Assurance and Accounting service area. View Bio
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Joseph Malfettano
CPA, CCIFP, CGMA

Serves as the Team Leader of the New York Construction Services Team and also advises clients within the insurance and distribution industries. View Bio
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Ryan Shannon
CPA, Partner

Team Leader of our Technology Services Group focusing on emerging growth industries. View Bio
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Chaya Siegfried
CPA, MST

Leads the International Business Tax Services Group specializing in tax implications of international operations. View Bio
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