Kingsport Alderman John Clark Is Expected To Formally Announce His Bid For Mayor Of The Model City Today Around Noon. The 35 Year Manufacturing Executive Has Stepped Down From His Role As Vice President With Agfa Health Care’s North American Operation To Devote His Full Time Efforts To Becoming Mayor. He Will Be Staying On As A Consultant. He Plans To Focus On Creating Good Paying Jobs And Making Sure Children Receive A World Class Education. His Campaign Headquarters Will Be Located At 111 West Market Street.