Donald M. Berwick is one of the leading scholars, teachers, and advocates in the world for the continual improvement of health care systems. He is a pediatrician, and a longstanding member of the faculty of Harvard Medical School. He founded and led the Institute for Healthcare Improvement, now the leading global nonprofit organization in its field. He was appointed by President Obama as administrator of the Centers for Medicare and Medicaid Services, where he served in 2010 and 2011. He has counseled governments, clinical leaders, and executives in dozens of nations. He is an elected Member of the National Academy of Medicine and the American Philosophical Society. He has received numerous awards, including the Heinz Award for Public Policy, the Award of Honor of the American Hospital Association, and the Gustav Leinhard Award from the Institute of Medicine. For his work with the British National Health Service, in 2005 Her Majesty Queen Elizabeth II appointed him Honourary Knight Commander of the British Empire, the highest honor awarded by the UK to a non-British subject.