The addition of Kathy Cook and the professionals from Fusion Group Inc. enhance Andersen’s capabilities in providing tax services tailored to private equity funds, family offices, and family-owned businesses. 

Andersen, one of the world’s fastest-growing independent, multidisciplinary professional services firms, announces a new office in Southborough, Massachusetts, strengthening its private wealth and tax practices in the Metro Boston region. After years of close collaboration, the professionals from Fusion Group have officially joined Andersen, solidifying a relationship built on shared values, client focus, and strategic alignment.

“The Northeast is a financial hub, home to family offices, private equity firms, and high-net-worth individuals,” said Mark Vorsatz, global chairman and CEO of Andersen. “Expanding in Metro Boston allows us to deliver seamless, integrated solutions across tax, valuation, and advisory, meeting clients where they are while connecting them to the resources of our growing global platform.”

The professionals from Fusion Group Inc., led by managing director Kathy Cook, bring recognized private equity expertise, supported by Director Tatsiana Barna’s specialization in tax planning and compliance for fund of funds. Their longstanding client relationships and regional insight complement Andersen’s breadth of services, ensuring clients receive the right solutions at the right time to support growth and evolving needs.

“The team from the Fusion Group is a natural fit for Andersen,” said Dan DePaoli, U.S. country managing director. “Kathy and her team share our values and approach, strengthening how we work together to serve clients.”

The Metro Boston practice is led by Michael Hough, who has been with Andersen since its inception.