Winthrop Rockefeller Institute Names Marta Loyd Executive Director by Arkansas Business Staff Posted 12/18/2013 11:32 am Updated 1 year ago Winthrop Rockefeller Institute said Tuesday that it has hired Marta M. Loyd as the institute's next executive director. 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.