I am member of the following societies, associations and institutes (descending chronological order):

• German Society for Interpersonal Psychotherapy (DGIPT)
• German Cancer Society (DGK)
• German Society for Psychology (DGPs)
• German Society for Behavioural Therapy (DGVT)   

• European Cystic Fisbosis Society 
• German Society for Prevention and Intervention: Child Abuse and Neglect
• German Society of Transition Medicine
• Institute for Systemic Studies
• Society of Pediatric Psychology (Div. 54 APA)
• Working Group for Pediatric Psychochosomatics