John Valentine is a former member of the Utah State Senate, who represented Utah's 14th Senate District from 1999 to 2014. Prior to being appointed to the Utah Senate he served in the Utah House of Representatives representing Utah's 58th House District from 1988 to 1992 and Utah's 59th House District from 1992 to 1998. Valentine served as the Utah Senate President from 2005–2008. On August 4, 2014, Valentine was appointed by Governor Gary R. Herbert to serve as Chair of the Utah State Tax Commission.