Mercy Health's Clark Ellison Named Regional VP of South-Central Communities by Arkansas Business Staff Posted 9/2/2013 12:00 am Clark Ellison, who has been vice president and chief development officer for Mercy Northwest Arkansas, has been promoted to regional vice president for Mercy's south-central communities. 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.