José Luis del Valle Pérez founded García Díez, Bustelo y del Valle. Presently, he is Secretary & Director at ACS Group, Inc. and Secretary & Executive Director for ACS Actividades de Construcción y Servicios SA, Chairman at Clece SA, Secretary & Director at ACS Servicios y Concesiones SL, Secretary of Cobra Gestión de Infraestructuras SL, Secretary at Sociedad Espanola de Montajes Industriales SA and Secretary & Director at Dragados SA (which are all subsidiaries of ACS Actividades de Construcción y Servicios SA).

He is also Member of Colegio de Abogados de Madrid and Member of Rechtsanwaltskammer von Madrid and on the board of 7 other companies.

In the past Mr. Del Valle Pérez was Parliament Member at Congreso de los Diputados, Partner at García Díez, Bustelo y del Valle, Director-National Legal Counsel at Unión de Centro Democrático, Chief Executive Officer of Empresarios Agrupados AIE, General Director-Ports at Spain Ministry of Public Works, Manager-Thermal Plant Constructions at IBERDROLA Renewables Romania SRL and Secretary at IRIDIUM Concesiones de Infraestructuras SA.

He received a graduate degree from Universidad Complutense de Madrid.