Dennis L. Jones  Dennis L. Jones is a Republican former member of the Florida Senate, representing the 13th District from 2002–2012. Previously he was a member of the Florida House of Representatives representing the 57th district from 1978 to 1982, the 53rd district from 1982 to 1992, and the 54th district from 1992 to 2000. He served as Speaker pro tempore from 1998 to 2000.