Giancarlo Dimaggio is editor-in-chief of the Journal of Clinical Psychology: In Session; senior associate editor for the Journal of Psychotherapy Integration; and associate editor for Psychology and Psychotherapy: Theory, Research and Practice. He is a co-founding member of the Center for Metacognitive Interpersonal Therapy. Antonella Centonze is a clinical psychologist at the Center for Metacognitive Interpersonal Therapy. Paolo Ottavi, psychologist and psychotherapist, is the main developer of two published treatments with empirical support: Metacognition Oriented Social Skills Training and Metacognitive-Interpersonal Based Mindfulness Training. Raffaele Popolo is a co-founding member of the Center for Metacognitive Interpersonal Therapy, a trainer at the Società Italiana di Terapia Comportamentale e Cognitiva (SITCC), and a trainer of the psychotherapy school ‘Studi Cognitivi’.