Obtained a degree in Medicine in 1965, rotating internship, 1966, psychiatric studies 1967/73, psycho analytical studies 1974/77. Search for answers in the early psycho social development field (Early Child Development, ECD) . Specialization studies on Children Psychiatry, with a minor in early childhood, Chicago IL, USA 1981/83 Michael Reese Hospital and other centers. Postdoctoral research in childhood, U. of Chicago, 1981/83.Selfpsychology Workshop, Psychoanalytic Institute, Chicago. Professor in the Early Development post graduate course of studies Chicago Psychoanalytic I.. Member of WAIMH (World Association of Infant Mental Health) Executive Committee from 1989 to 2000. Founding president of SAPI (Sociedad Argentina de Primera Infancia); at present honorary Chairman. Discovery of the initiative as an organizer of spontaneity (1983), empirical evidence about its existence and development in terms of adverse or favorable environmental responses (1992/1998). Discovery of adverse reactions to the obstacles to initiatives and the generation of interpersonal conflicts, in proportional relation to the environment opposition rate. Conceptualization of the constitution of individuality and subjectification by means of initiatives in favorable environments (theoretical research 1992-2006).. Discovery of adverse reactions and interpersonal conflict upon impediment to develop initiatives, based on empirical evidence. Development of illustrative videos on children behaviour and on the eresponses and environment reactions (mather or main tutor) Thirty years of part time work in the community, research and teaching. Check CV on the website for a partial bibliography. As from 2005 exclusively devoted to communitarian work. Advisory to provincial and municipal on Mental Health and Early Child development issues. Consulting services for the UNICEF project in Argentina. Post graduate studies in Argentina and abroad, as professor. Recommended papers (selection): (Hoffmann, J.M., Popbla,L. Duhalde, C., 1998 IMHJ, Vol 19, Nr. 4) (Hoffmann J. , 1994, Psychiatrie de L’Enfant, XXXVII, I, 1994, p.179-213) (Hoffmann J. , ParentageouPygmalionisme?, 2003, Devenir V. 15, Nr. 2), (Hoffmann J. , Respct as EnvironmetalProvision, 1994, Vol 1, Nr.2); The Place forInfancy, Ch. 1, Infants and Toddlers Mental Health,Amer.PsychatricPress, Washington 2002 Como a ti mismo, CLÍNICA e INVESTIGACIÓN RELACIONAL , Volumen 2 - Nº 1 - Mayo 2008 [Número especial doble] ; “Los vínculos de María; Trastornos del Self”, MARTIN, S. y otros INTERSUBJETIVO - DICIEMBRE 2004 - Nº 2, Vo. 6, Pags. 258-295. Book: “Los Árboles no crecen tirando de las Hojas”, del Nuevo Extremo, 4ª Edición, 2009, Buenos Aires (available in amazon.com). Book: ¿Qué ibas a Ser de Grande? (What will you be when you grow up?) Nuevo Extremo publishing house, Buenos Aires, (press).