Howard B. Levine is a private practitioner in Brookline, Massachusetts, USA. He is editor-in-chief of the Routledge Wilfred R. Bion Studies Book Series, the author of Affect, Representation and Language: Between the Silence and the Cry (2021) and has edited and co-edited Unrepresented States and the Construction of Meaning (2013), André Green Revisited: Representation and the Work of the Negative (2018), The Post-Bionian Field Theory of Antonino Ferro (2021), and The Freudian Matrix of André Green (2023). Gisèle de Mattos Brito is a Training and Supervising Analyst of the Psychoanalytic Society of Minas Gerais (SBPMG), Brazil, a full member of the Psychoanalytic Society of São Paulo (SBPSP), Brazil, and a former President of SBPMG. She co-edited the first volume of Bion in Brazil (2017) and is the author of many book chapters and scientific papers published in regional, national, and international psychoanalytic journals. Since 2009, she has coordinated the study of Bion's Supervision Seminars at the Society of São Paulo. José Américo Junqueira de Mattos is a member and Training and Supervising Analyst of the Brazilian Society of Psychoanalysis of São Paulo and the Brazilian Society of Psychoanalysis of Ribeirão Preto. He has published many papers both in Brazil and abroad and is responsible for the preservation of Bion’s Brazilian Supervisions. Since the beginning of his career, he has been interested in the ideas of Bion, who was his analyst.