Thierry Bokanowski is a founding member and training and supervising analyst of the Societe Psychanalytique de Paris, and a member of the International Psychoanalytical Association (IPA). He is a former editor of 'La Revue francaise de Psychanalyse', former member of the IPA Publications Committee, former Scientific Secretary to the Institut de Paris, and currently chairs the Executive Committee of the Commission d'Enseignement de la Societe Psychanalytique de Paris. He has published several papers in various psychoanalytical journals, including the 'International Journal of Psychoanalysis'. His books include 'Sandor Ferenczi', and 'De la pratique analytique', translated under the title 'The Practice of Psychoanalysis'. Leticia Glocer Fiorini is a training psychoanalyst of the Argentine Psychoanalytic Association. She is the author of 'The Feminine and the Complex Thought', 'Deconstructing the Feminine: Psychoanalysis, Gender and Theories of Complexity', and editor of 'The Other in the Intersubjective Field' and 'Time, History and Structure. A Psychoanalytical Approach'. Among other contributions in psychoanalytic journals she has published 'The enigma of the sexual difference', in 'Feminine Scenarios"'; 'Assisted fertilization, new problems' in 'Prevention in Mental Health'; 'The sexed body and the real, its meaning in transsexualism' in 'Masculine Scenarios'; 'Psychoanalysis and Gender, Convergences and Divergences' in 'Psychoanalysis and Gender Relations'; and 'The bodies of present-day maternity' in 'Motherhood in the Twenty-first Century'. Sergio Lewkowicz is currently the Scientific Director of the Porto Alegre Psychoanalytical Society; Psychiatry and Training and Supervising Analyst for the Porto Alegre Psychoanalytical Society; Publications Director of the Porto Alegre Psychoanalytical Society; Professor and Supervisor for Psychoanalytical Psychotherapy in the Psychiatry Department, Medical School of the Federal University of Rio Grande do Sul; Member of the International Psychoanalytical Association (IPA) Publications Committee; Member of the Programme Committee of the 43rd Congress of the IPA in New Orleans (2004); former President of the Society of Psychiatry of Rio Grande do Sul; former Editor of the Psychiatry Journal of Rio Grande do Sul; and he has published papers on psychoanalytic technique.