Les Irwig MB BCH, PhD is an internationally renowned expert on evidence-based medicine. Professor of Epidemiology at the University of Sydney, he has published widely in international medical journals. He is frequently invited to review evidence for the development of clinical guidelines and to serve on committees developing health policies. Professor Irwig has developed programmes to teach medical students and medical practitioners how to assess research and make health decisions. For this work, he received an Excellence in Teaching Award at the University of Sydney. He has also run courses to help journalists and the public understand how to interpret and use health information.

Judy Irwig has devoted a large part of her career to writing and recording songs for children, conveying important messages about relationships, self-respect and respect for the environment. She brings to this partnership the perspective of a healthcare consumer. Her non-medical background allows her to explain ideas clearly without resorting to technical jargon or making assumptions that often come from years of professional training

Lyndal Trevena MB BS(HONS), PhD is a general practitioner and a Senior Lecturer in the School of Public Health at the University of Sydney. She is interested in making evidence-based practice more feasible for busy clinicians and their patients, and ensuring that good quality information is at hand for making decisions with individual patients. Information about her research and other publications can be found at www.medfac.usyd.edu.au/people/academics/profiles/lyndalt.php. Information about her practice can be found at www.gpcremorne.com.au. Decision aids and resources can be found at www.health.usyd.edu.au/shdg.

Melissa Sweet is an Australian writer and journalist, who has been reporting on health and medical issues for more than 15 years.