Between 2007 and 2015 he was a crown member of the Council of Public Health and Health Care (Raad voor de Volksgezondheid en Zorg, RVZ). He is currently a member of the board of governance of the Dutch Patient Federation (NPCF), a member of the ZoNMW committees ‘Topzorg’ and ‘Uitkomstgerichte Zorg’, chairman of the Vidi committee ‘Economie and Bedrijfskunde’, chairman of the expert panel of NFK, and a member of the Advisory Board Health Care of the ING Bank. He was a consultant for various ministries in the Netherlands and for organizations like the EC, OECD and the Worldbank. From 2014 to 2016 he was a Consultant for the European Commission DG EAC to advise about the implementation and progress about the National Reform Program for the Netherlands as part of the Growth and Stability Pact.