Throughout his long professional career, José María Aldecoa Sagastasoloa has held various posts at COPRECI (1971-1982). He was Managing Director of Fagor Electrónica and member of the Board of Directors of Fagor, S. Coop. (1982- 1991).
Between 1984 and 1991, he was Vice-Chairman of ANIEL (National Association of Electronic Industries) and member of the Board of Directors of the European Electronic Components Association (EECA).
From 1992, he held various positions at Mondragón Corporación as Vice chairman (1992-2006) leading component and automotive division (1992-1999) and, in 2007, he was appointed Chairman, a position he held until July 2012.
He has a wealth of experience in the international industrial world, especially in Asia, including the creation of Fagor Electrónica in Hong Kong and Thailand and the integration of production plants in the industrial park of Kunshan (China).
He has sat on the Board of Directors of various automotive and components companies (Copreci in Czech Republic and Mexico, Fagor Ederlan in Brazil and Slovakia, Paranoa-Cicautxo in Brazil, FPK, Chairman of Victorio Luzuriga), and he was director (1992-2006) and Chairman (2007-2012) of Mondragón Inversiones.
From 2012 to 2017 he was an independent director and member of the Delegated Committee of Gamesa Corporación Tecnológica, S.A.
He is member of the Board of Directors of Viscofan S.A., member of its Audit Committee, and its Appointments, Remuneration and Sustainability Committee. In 2014 he was appointed as Lead Independent Director.