He is a past Chair of the Steering Group of Cochrane, is a member of the Pharmaceutical Benefits Advisory Committee for the Australian Government, a member of the Medicare Services Advisory Committee, a member of the Life Savings Drug Program, a member of the International Advisory Panel for Singapore’s Agency for Care Effectiveness, and past member of the WHO expert review panel for global strategy and plan of action on public health, innovation and intellectual property.
He has published > 830 papers across the spectrum of chronic kidney disease, and methodological work, which have been cited > 43,000 (h-index 92).