He received a Ph.D. at the International Academy of Philosophy in the Principality of Liechtenstein. He is the author of Volver a la persona. El método filosófico de Karol Wojtyla (Caparrós, Madrid 2002); Afirmar a la persona por sí misma (CNDH, México 2003); and many articles on the Philosophy and Theology of Karol Wojtyła and Jorge Mario Bergoglio. He is the founder of the «Center for Advanced Social Research» (CISAV, México); Ordinary member of the Pontifical Academy for Life; Ordinary member of the Pontifical Academy of Social Sciences; and recently, Pope Francis appointed Prof. Guerra as Secretary of the Pontifical Commission for Latin America.