A Doctor of Law, Juan Hdez. Vigueras has worked in the management of large corporations and as a professor of postrgraduate studies. In his role as writer, he has specialised in political criticism of the deregulation of global financial markets. He has actively participated in the development of the internacional movement Attac, and is currently a member of the scientific advisory board of Attac-España and of the world network of NGOs, associations and experts, the Tax Justice Network, in whose creation he participated primarily as a member of the steering committee, and later in the European committee.
He has worked for a number of years as a political and financial affairs' analyst, for the magazines Cambio 16 and Cuadernos para el Diálogo.