Photos: Georgia Trend's 75 most influential Georgians
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Boyd Austin Jr. Mayor of Dallas Dallas Age: 51 Austin is the longest-serving mayor and dean of the chief elected officials in Paulding County. In 2011, he was elected to his fifth consecutive term in office. A leader in promoting regional growth and cooperation, he chairs the governing board of the Metropolitan North Georgia Water Planning District and is on the board of directors of the Georgia Environmental Finance Authority.