Apple has hired two well-known figures in the mobile advertising world for European positions with its recently-acquired Quattro Wireless mobile advertising firm. Theo Theodorou, former mobile advertising sales manager for Microsoft in the Europe, the Middle East and Africa (EMEA) market, has been hired as head of EMEA sales at Quattro Wireless. New Media Age reports that Theodorou is coming from publisher Hachette Filipacchi, where he was appointed…