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Mark C. Poloncarz is the current county executive of
Erie County, New York. Poloncarz, a
Democrat was elected county executive-elect on November 8, 2011 after defeating the incumbent county executive
Chris Collins a
Republican by a 53 - 47 percentage point margin. Poloncarz is only the 2nd Democrat to be elected to the position of county executive in the 51 year history of the position.
