Rief, Winfried, Professor of Clinical Psychology and Psychotherapy, Philipps University of Marburg, Germany. Head of the Clinic for Psychological Interventions. Dr. Rief worked for many years in hospital settings. He is specialized in placebo- and nocebo effects, classification of chronic pain conditions, perception and coping with somatic symptoms, optimization of clinical studies and interventions. He was guest professor at Harvard Medical School, Boston (2004/2005), University of Auckland Medical School (2002), and University of California San Diego (2009/2010). He is co-chairing the WHO working group on chronic pain diagnoses in ICD-11. This ICD-11 classification proposal for chronic pain was adopted by the World Health Assembly 2019. Dr. Rief received the Distinguished Researchers Award in Behavioral Medicine of ISBM in 2014, and the European Psychosomatic Award (EAPM) in 2020. In 2021, Clarivate evaluated him as “Highly Cited Researcher”.