Ms Stirling has executive career and saw her hold various senior executive roles related to Corporate Affairs, Investor Relations, People and Culture, Communications and Environment at Newcrest Mining, Rinker, CSR, and Coles Myer. She is currently a NED of Scotch College and is a NED & Chair of the People, Culture and Remuneration Committee of Mission Australia. She previously sat on the Boards of Vicinity Centres Limited, Monash University Mining and Resources Advisory Board (Chair), MegaRail, the PNG Government, Lae Technical Training Centre of Excellence Task Force, and the Victorian Government Resources Roundtable. She is Member of the Human Resources Committee and Risk Management Committee Nomination Committee.