Winthrop Rockefeller Institute Names Marta Loyd Executive Director by Arkansas Business Staff Posted 12/18/2013 11:32 am Updated 4 years 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 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.