Dr. Hernandez-Serret teaches sociology, culture and religious diversity courses for undergraduate, master’s and doctoral programs at universities such as the Faculty of Communication and Humanities of the International University of Catalonia (UIC), the Catalan School of Public Administration, the Higher Institute of Religious Studies of Barcelona (ISCREB) – Faculty of Theology, University of Barcelona (UB), University of Sant Joan de Déu, and in the KAICIID interreligious e-learning course.

He is also the Director of the Official Interreligious Trust in Spain – GTER, the Director of the Diocesan Secretariat of Interreligious Relations of the Catholic Church of the Archdiocese of Barcelona and the representative of Religions for Peace in Spain. He was co-director of the IV Parliament of World Religions in Barcelona in 2004 and worked as co-director of the international, multi-religious, and inter-generational event in Spain “At a Crossroads: An Intergenerational and Multireligious Response to the Social and Environmental Crisis“ in 2022.