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Deanna L. Koestel Appointed to Interlaw’s Board of Directors

News
10.20.25

Pashman Stein Walder Hayden P.C. is proud to announce that Deanna L. Koestel has been appointed to the Board of Directors of Interlaw, a Chambers-ranked global network with more than 8,000 lawyers across 140 locations worldwide.

 Koestel will continue to serve as the Global Chair of Interlaw’s diversity, inclusion, and community group, North America Chair of the Women of Interlaw Network, and as a member of the Interlaw Cares committee. Pashman Stein serves as the New Jersey partner firm for Interlaw in the United States,

“I’m deeply honored to join Interlaw’s Board of Directors and to contribute to a global community that reflects not only professional excellence but also shared values of collaboration and inclusivity,” said Koestel.  “Interlaw represents more than a network of lawyers- it’s a community grounded in friendship and purpose.” 

At Pashman Stein, Koestel serves as Chair of the Construction Law practice, Partner in the Litigation practice, and a member of the firm’s Executive Committee, Diversity & Hiring Committee, and Women’s Leadership Committee.

A seasoned attorney, Koestel focuses her practice on commercial litigation, construction law, and general business matters. She is known for her skill in handling complex business disputes and serving as outside general counsel to clients, advising on strategic business planning, risk management, and litigation strategy.

In addition to her professional achievements, Koestel is actively involved in several community and professional organizations, including Girls on the Run NYC and the New Paltz Rotary Club. 

To read more about Deanna and her work, click here.

To learn more about Interlaw, click here.

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