Stephanie Martin, is Deputy Commissioner Resource Rent Tax, ATO. She is responsible for the ATO's administration of the Petroleum Resource Rent Tax (PRRT) and the ATO's implementation of the new Minerals Resource Rent Tax and extension to the PRRT. Stephanie chairs the sub-committee of the National Tax Liaison Group (NTLG) that consults with industry and the tax profession on resource rent tax issues. Stephanie has enjoyed a long career at the ATO with over 20 years in executive roles including policy and legislation, transfer pricing, international tax, business tax reform, large business compliance and aggressive tax planning. She has been a member of the ATO's International Tax Rulings Panel, the General Anti-avoidance Review Panel and chaired the Promoter Penalty NTLG subcommittee. She has law and science qualifications.