Rupert Robson has been appointed as Savills' independent non-executive director, the real estate advisor said on Tuesday.Robson, who is currently non-executive chairman of inter-dealer brokerage group Tullett Prebon and chairman of Charles Taylor, Sanne Group plc and EMF Capital Partners, will step into his new role on 23 June.Savills shares were up 0.48% to 946.00p at 10:10 on Tuesday.