Niek Klazinga is a medical doctor by training, professor of social medicine at the Academic Medical Centre at the University of Amsterdam since 1999 and has been coordinating the Health Care Quality Indicator work of the OECD in Paris since 2007. Over the past 25 years, Niek has been involved in numerous projects and publications on quality in health care in The Netherlands and abroad. Present engagements include chairmanship of the Dutch Public Health Federation, membership of the boards of trustees of a major Dutch teaching hospitals and mental health care institute, advisor to the WHO and visiting professor at the Corvinus University in Budapest.