Stavros Charalambides is a relational psychoanalyst and certified group psychotherapist, elected Iarpp Board of Directors member since 2018. He Co-Chairs the Iarpp special interest group regarding Couples, Families, and Groups with Gila Ofer. He has founded and directed the Greek Institute for Relational and Group Psychotherapy since 2016. He runs 8 groups per week, supervises intensely groups and individuals. He is Director and Founder of 4 different programs regarding Relational Psychoanalysis and Group Psychotherapy at Greece. His latest book (2022), the ‘Envy Executioner’ has been published in Greek by Disigma Publications. He edited the first collective book -in Greek- of relational psychoanalysis and group dynamics (published by Disigma Publications ,July 2023). His main interest in his writings and presentations relates to sibling dynamics, envy, mourning and hatred in the transference and countertransference , in the analytic dyad, the family, inter-organizational group processes , the Institutions , the small ,medium and large groups , the society and the multicultural world .