1. Tim J. Horton () is an associate director (Insight and Analysis) at the Health Foundation, in London, the United Kingdom.
2. John H. Illingworth is an Improvement Fellow at the Health Foundation and an honorary research associate at the Institute of Global Health Innovation, Imperial College London.
3. Will H. P. Warburton is director of Improvement at the Health Foundation and an honorary research fellow at the Institute of Global Health Innovation, Imperial College London.