Marios Koukounaras-Liagkis is born in Komotini in 1971. He lives in Athens with his wife. He studied Theology (ΒΑ, ΜΑ, PhD) Greek Literature (BA), and Education Sciences (PostDoc). He is an Associate Professor of Pedagogy and Religious Education at National and Kapodistrian University of Athens (NKUA), School of Theology, Dep. of Theology and also he is Director of t Laboratory of Pedagogy and RE at National and Kapodistrian University of Athens (NKUA). He worked as a Religious Education teacher and as a Consultant to the Minister of Education and Religious Affairs.

He has organized and implemented (or applied) numerous of Educational Projects in cooperation with National Theatre, General Youth Secretary, International Amnesty, NGOs and Greek Educational Organizations as Aikaterini Laskaridis Foundation etc.

He has been working since 2008 as a teacher trainer in seminars/trainings and programmes which were organized by European Wergeland Center, Council of Europe, Greek Pedagogical Institute, Ministry of Education and Religious Affairs, Panteion University, Interorthodox Centre of the Church of Greece etc.

His research interests focus on Religious Education (Learning and Teaching), Curriculum (Philosophy, Development and Assessment), Teacher’s professional development, Human Rights/Competences for Democratic Culture, Inclusive Education, Social Pedagogy and Drama/Theatre in Education. His publications include 10 books and a numerus of articles/papers.

He is currently working as a coordinator on an Erasmus+ (KA2) project on the teaching of Competencies of Democratic Culture (https://www.stepup-dc.eu/), as director of a Continuing Education and Lifelong Learning Entity of the NKUA (https://learninn.gr/), as an expert in the RE Curriculum development (Institute of Educational Policy) and as a project trainer and expert in 'School for all'-Integration of refugee children in Greek Schools (Wergeland Centre and Minister of Education and Religious Affairs-https://theewc.org/new-ewc-project-launched-in-athens/).