Arvest Names Medical Center COO Michael Stewart to Springdale Board by Chris Bahn Posted 1/8/2013 11:01 am Updated 5 years ago Arvest Bank has named Michael Stewart to the board of directors for Arvest Bank in Springdale. 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.