Born in Edinburgh, Dr Evan Simpson is a world leading and highly regarded endocrine scientist. He has led or been closely involved in the discovery of the gene for aromatase and dissection of the biology of this crucial enzyme enabled the discovery of aromatase inhibitor drugs, currently the cornerstone for treatment for breast cancer. After earning his BSc and PhD from the University of Edinburgh, Evan taught at various universities including Pennsylvania and Texas, USA; Edinburgh and Middlesex, UK; and Auckland, New Zealand. In 1997 he moved to Australia. Between 1999 to 2006 he was Director of Prince Henry’s Institute (now Hudson Institute of Medical Research).