Havas’ Arnold has named Eric Robertson svp, global corporate communications director. He is tasked with guiding the Arnold brand as the shop seeks to remake itself as a global micro-network. Based in New York, he reports to Arnold CEO Andrew Benett, who also serves as worldwide chief strategy officer for Havas. Robertson joins Arnold from leading digital agency R/GA, where he held the position of senior manager of corporate communications. Prior to R/GA, Robertson worked at JWT as global marketing manager.