Marco Antonio Villalta-Paucar, Full Professor at the University of Santiago, Chile. Psychologist (1992), PhD in Educational Sciences (2000). Academic and researcher at the School of Psychology, currently principal investigator of FONDECYT Project 1240814 entitled Interaction and Reflection on Practice. Contributions to the pedagogy of inclusion in the heterogeneous classroom. Research lines: conversation analysis, reflection on pedagogical practice in the classroom, school culture, resilience, and education, and educational inclusion. Memberships: American Psychological Association (APA), Interamerican Society of Psychology (SIP), and the Scientific Association of Psychology and Education (ACIPE).