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 stories older than 20 days. Purchase Now Already have archive access? Login to view this article.