Rafael Mateo Alcalá joined the ACCIONA Group in 2010 as general manager of its energy division and, in April 2013, he became its managing director and subsequently, in 2021, he was appointed chief executive officer of Acciona Energía.

Before joining the ACCIONA Group, he worked at Endesa between 1982 and 2009. He was initially assigned to a thermal power plant in Teruel, where he held the positions of maintenance manager, head of operations, director and vice-chairman. In 1997, he became the manager of thermal production at Endesa, a position served until 1999 until he was posted to Chile, where he spent 10 years of his professional career. In Chile, he worked as production and transmission manager between 1999 and 2004. Subsequently, between 2005 and 2009, he served as general manager of Endesa Chile and general manager of generation at Endesa Latin America, where he was responsible for managing services in countries such as Chile, Colombia, Peru, Brazil and Argentina.

Mateo Alcalá graduated in Industrial Engineering at the Industrial Engineering School of the University of Zaragoza, where he graduated with honors in 1982. He also completed a general management program at IESE Business School in 1987 and a business management program at INSEAD Business School in 1995.