Ms Birkensleigh was a partner at PricewaterhouseCoopers for 16 years until her retirement in 2013. During her career, her predominant industry focus has been Financial Services (Banking and Wealth Management). Ms Birkensleigh has also advised on risk management in other sectors such as retail and consumer goods, retail and wholesale electricity companies, resources, and education sectors. Ms Birkensleigh is currently a non-executive Director of the Tasmanian Finance Corporation, Adore Beauty Limited and Horizon Oil Limited.