Dennis Smiley Leaves CEO Post at Arvest Bank of Benton County by Marty Cook Posted 3/14/2014 03:53 pm Updated 4 years ago Dennis Smiley resigned Thursday as president and CEO of Arvest Bank of Benton County. Want the Full Article? Get Unlimited Archive Access for $19.95 per Year Readers must pay to access articles older than 15 days. Articles newer than 15 days are not included in this offer. Purchase Now Already have archive access? Login to view this article.