She is Associate Director of the Royal Prince Alfred Hospital Diabetes Centre. Marg was Vice President of the International Diabetes Federation (IDF) from 2003 -2009. She was Chair of the IDF Consultative Section on Diabetes Education (DECS) for 9 years and developed its global education strategy during this time. She led the successful application for the RPAH Diabetes Centre to become an International Diabetes Federation Centre of Excellence in Education for health professionals. She was named in the 2011 Australia Day Honours List with the award of Order of Australia (AM) for her contribution to diabetes nationally and overseas.