Withum is excited to announce the promotion of six senior managers to the position of partner.


The newest partners to join Withum’s growing corporate leadership team, effective July 1, 2019, are Anthony Aniello, Jessica Hollobaugh Giresi, Erik Halluska, Joseph Malfettano, Ryan Shannon and Chaya Siegfried. See who our six new partners are in this introductory video and how they’ve created pathways to success at Withum.

“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, Managing Partner and CEO

Anthony Aniello
CPA, Partner

Specializes in U.S. and International tax compliance and consulting in the Financial Services group. View Bio

Jessica Hollobaugh Giresi
CPA, ABV, CFEV, Partner

Focuses on a wide range of consulting services related to civil and criminal litigation. View Bio

Erik Halluska
CPA, Partner

Specializes in Hospitality and Not-for-Profit industries in Withum’s Assurance and Accounting service area. View Bio

Joseph Malfettano

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

Ryan Shannon
CPA, Partner

Team Leader of our Technology Services Group focusing on emerging growth industries. View Bio

Chaya Siegfried

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

About WithumSmith+Brown, PC

One of the nation’s 25 largest accounting and consulting firms, Withum operates offices in New Jersey (including its Princeton headquarters); New York City, NY; Washington, DC; Philadelphia, PA; Boston, MA; Orlando, FL; Aspen, CO; and Cayman Island. Withum also is a member of HLB International, a worldwide network of independent professional accounting firms and business advisors committed to assisting clients to build and expand globally. For more information about Withum’s Hospitality Services Group, please contact Lena Combs (LCombs@Withum.com) or Tom Durkee (TDurkee@Withum.com) at 407‐849‐1569.