Pim Cuijpers. Ph.D. is full professor of Clinical Psychology at the Department of Clinical, Neuro and Developmental Psychology, Amsterdam Public Health research institute, Vrije Universiteit Amsterdam, The Netherlands. He is also director of the WHO Collaborating Centre for Research and Dissemination of Psychological Interventions in Amsterdam. He is also Visiting Professor at the Faculty of Medicine of the University of Turku, Finland. He is specialised in conducting randomised controlled trials and meta-analyses on prevention and psychological treatments of common mental disorders across the life span. Much of his work is aimed at prevention of mental disorders, psychological treatments of depression and anxiety disorders, and Internet-delivered treatments. He has also published on several other research topics, including global mental health, student mental health, and psycho-oncology. Pim Cuijpers has published more than 1,050 peer-reviewed papers, chapters, reports and professional publications, including more than 800 papers in international peer-reviewed scientific journals. He is on the Thomson-Reuter Web of Science lists of the ‘highly cited researchers’ since the first edition of this list in 2014 (http://highlycited.com/), and is the second most cited researcher in the field of psychiatry and psychology.