He joins the WPP-owned communications specialist from the Spanish media owner Medipresse-Publiventas, and has held senior management positions at Publiespana, DoubleClick and Adlink.
Sarasola will report to Angel Barbera, the chief executive of Mediaedge:cia Spain. "Javier's depth of knowledge of the Spanish market will help us to build on our success," Barbera said.