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 stories older than 15 days. Purchase Now Already have archive access? Login to view this article.