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The village government consists of a village president and six village trustees. The trustees represent the six districts within the village and are elected to four-year terms by the voters in each of their respective districts. The current village president of Oak Lawn is Dr. Sandra Bury, who was elected in April 2013 as the leader of a group of trustees known as 'Oak Lawn First' who defeated incumbent Mayor Dave Heilmann and his slate of candidates.

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