John Fry was Britain's most distinguished general practitioner and known throughout the world for his writings about comparative primary care.

Donald Light is an American sociologist internationally known for his work on comparative health care systems. He is a professor at the University of Medicine and Dentistry of New Jersey, and an adjunct senior fellow at the Leonard Davis Institute of Health Economics.

Jonathan Rodnick is a leading practitioner and professor at the University of California, San Francisco, School of Medicine, where he chairs the Department of Family and Community Medicine.

Peter Orton is Immediate Past-President of the General Practice Section, The Royal Society of Medicine, and a general practitioner, Hatfield Heath, Essex.