Assistant Professor - Columbia University School of Social Work - 1971 - 1981 Private Practice - 1981 - present. Faculty and Supervisor - Institute for the Psychoanalytic Study of Subjectivity (2000 - Present) Consultant - Manhattan Institute - Trauma Studies Program. Author (2005) - with Beatrice Beebe, Steven Knoblauch, Dori Sorter - Forms of Intersubjectivity in Infant Research and Adult Treatment. Author (2013)- Infant Research and Neuroscience at Work in Psychotherapy: Expanding the Clinical Repertoire. Author - numerous papers in psychoanalytic journals (Psych Dialogues; Psycho. Psychology; Psych. Inquiry; Psa;Self and Context. numerous presentations nationally and internationally integrating infant research and adult treatment.