Milwaukee County Treasurer Dan Diliberti said Wednesday he will retire next month.<br /><br />Diliberti has been treasurer since 2004 and before that he served 12 years on the County Board, representing southwest Milwaukee and part of Greenfield. He also worked as a county fiscal analyst.<br /><br />Diliberti launched efforts to streamline operations in the treasurer's office, including online banking, use of debit cards for electronic payments and making delinquent tax information available online.<br /><br />He advocated for several years for abolishing the elective office of Milwaukee County treasurer and converting it to an appointed position. He argued that the job should go to someone proficient in accounting, banking and investment practices rather than being picked by voters.<br /><br />The measure was approved in February by the Assembly but died in the Senate. The state constitutional change would require approval by the Legislature in two successive sessions and voter approval.<br /><br />Diliberti's term as treasurer job ends in 2016. The job pays $83,801 a year.