Working in private practice in Bremen and as Group Analytic Supervisor in clinics and other organizations, conductor of large groups. Co-founder and until 2017 co-conductor of the yearly Postgraduate Seminar in the Seminar of Group Analysis Zurich SGAZ. Since 2005 member of the board of th "Bremer Arbeitsgruppe für Psychoanalyse und Psychotherapie".
From 2011 until 2017 member of the Management Committee of the German Society of Group Analysis and Group Psychotherapie D3G.
Working in co-operation with the Documentary-Film-Maker Wilhelm Rösing on documentaries with survivors of the Shoah.