Currently, Juan José Nardiz Amurrio holds the position of Chairman for Martinrea Honsel Germany GmbH and President of Martinrea Honsel Spain SL.

He is also on the board of Patentes Talgo SL and Talgo SA.

In the past he held the position of President for Tafime SA.

He received an MBA from Instituto de Empresa SL, a graduate degree from the University of California, Los Angeles, an undergraduate degree from the University of Montpellier and an undergraduate degree from Escuela Técnica Superior de Ingeniería.