Peter Klein has been named chairman of the council of overseers of the Tilles Center for the Performing Arts. The Huntington resident is a senior vice president of investments with USB Financial Services, The Klein Financial Group, in Melville.

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South Nassau Communities Hospital has announced four new members have joined the board of directors.

Wayne Howard Lipton, of Rockville Centre, is chief executive and managing partner of Concierge Choice Physicians in Rockville Centre.

Joel Schneider, of Hewlett Bay Park, is president and chief executive of Joel Schneider Construction Corp., Joel Schneider Management Corp., J. Schneider Group and J.S. Restoration Corp. in Cedarhurst.

Edward Scott, of Long Beach, is chief investment officer and general counsel for Urban America in Manhattan.

Helena Williams, of Garden City, is president of the MTA Long Island Rail Road in Queens.