Rolf Kleber is Emeritus Chief Professor / Past Head Research of Arq National Psychotrauma Centre. Partners in this holding are the Institute for Psychotrauma (together with Dr. Danny Brom R.J. Kleber founded this Institute), Centre '45 (the national center for medical and psychological treatment of war victims and victims of organized violence in The Netherlands) and other organizations focused on psychological trauma (such as ARQ Centre of Expertise for the Impact of Disasters and Crises).

Rolf Kleber is also:

• Chair Foundation Accredited Education for Clinical & Health Care Psychologists and Psychotherapists Central Netherlands
• Fellow Advising and Diagnostically Reviewing Committee ‘PTSD and Police’, National Police The Netherlands
• Member Expert group Developing and Teaching Psychotrauma Psychotherapy Curriculum for Ukrainian psychotherapists (since 2021), together with the European Society for Traumatic Stress Studies (ESTSS). 
• Member of the Scientific Committee for Consultation and Advice of the National Care System for Veterans (LZV)
• Advisor "Research health and wellbeing of international staff", Doctors Without Borders
• Chairman Accreditation Committee of the Dutch-speaking Association for Psychotrauma (NtVP)
• Chair WODC Guidance Committee "Victim monitor, third measurement" (2021-2023)
• Member of the Board of the Veterans Institute in Doorn (till 2021)
• Chair Steering Committee “Standard of Care for Trauma and Stressor-Related Disorders” (2015-2020)
• Chair Steering Committee “Generic Care Module for Diversity in Mental Health Care” (2016-2019)