José Luis Rodríguez Zapatero's signature.
Traced in Adobe Illustrator from http://lh3.ggpht.com/_a82pgn9zZnE/SSKIc_Qtv3I/AAAAAAAABwA/AHM5pViy6bI/s640/Spain_Luis_Zapatero.jpg
José Luis Rodríguez Zapatero