Dame Jane is a recognised leader in medicine. She is Emeritus Professor of Medical Education, the former Director of UCL Medical School and honorary consultant physician and rheumatologist, at Whittington Health in London. She is the President of the Medical Protection Society and a specialist advisor to parliament on the Health and Social Care Committee, chairing their Expert Panel which evaluates Government pledges.  She is past president of the Royal College of Physicians and was also vice chair of the Academy of Medical Royal Colleges, medical director of MRCPUK examination, academic vice president of the RCP and a GMC council member. Her research is in medical education focussing on assessment and equality, especially in relation to women.

She was the lead for the Department of Health and Social Care review of the Gender Pay Gap in Medicine, with Professor Carol Woodhams from Surrey University Business School.