Professor in Philosophy of Law at University of Zaragoza.
His publications include: Legitimidad a través de la comunicación. Un estudio sobre la opacidad y la publicidad del derecho (Comares, 2011); Derecho y cultura de protección de datos (with J.F. Muñoz; Dykinson, 2012); Derechos fundamentales, principios y argumentación (coedited with L. Clérico y J. Sieckmann; Comares, 2011), The rationality and justification of legislation (coedited with L. Wintgens; Springer, 2013), Rational lawmaking under Review. Legisprudence according to the German Constitutional Court (coedited with K.Meßerschmidt; Springer, 2016), Conceptions and misconceptions of legislation (editor; Springer, 2019), La legislación en serio. Estudios sobre derecho y legisprudencia (editor; Tirant, 2019), Debatiendo leyes (editor; Dykinson, 2022) and Debating Laws. Studies on parliamentary justification of legislation (editor; Springer, 2024).