Andrea M. Brodie of Great Neck has been installed on the board of directors for the Nassau County Women's Bar Association. She is an associate at Abrams, Fensterman, Fensterman, Eisman, Formato, Ferrara & Wolf in Lake Success.

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Erin A. Sidaras of Shirley has been appointed to the advisory council of the Nassau/Suffolk Law Services Committee and as an officer on the Suffolk Academy of Law's board of directors. She serves as counsel at Farrell Fritz in Uniondale.

NEFCU, a Westbury credit union, has two new directors on its board.

George Zweier of Commack will serve as treasurer. He is a certified public accountant and the chief financial officer of BRT Realty Trust in Great Neck.

Madeleine Sewell of Malverne will serve as assistant treasurer. She was formerly a senior account executive with Philadelphia Insurance Co. in Manhattan and an educator in the Valley Stream School District.