Founder of García Díez, Bustelo y del Valle, José Luis del Valle Pérez presently occupies the position of Secretary & Executive Director for ACS Actividades de Construcción y Servicios SA, Chairman at Clece SA, Secretary & Director at Dragados SA, Secretary & Director at ACS Servicios y Concesiones SL, Secretary for Cobra Gestión de Infraestructuras SL and Secretary of Sociedad Espanola de Montajes Industriales SA (which are all subsidiaries of ACS Actividades de Construcción y Servicios SA) and Secretary & Director at ACS Group, Inc. Mr. Del Valle Pérez is also Member of Colegio de Abogados de Madrid and Member of Rechtsanwaltskammer von Madrid and on the board of 7 other companies.

In his past career he held the position of 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 at Empresarios Agrupados AIE, General Director-Ports at Spain Ministry of Public Works, Manager-Thermal Plant Constructions at IBERDROLA Renewables Romania SRL and Secretary of IRIDIUM Concesiones de Infraestructuras SA.

He received a graduate degree from Universidad Complutense de Madrid.