Her research interrogates the interaction between the body and law and draws on human rights law, medical law, law and gender theory and feminist jurisprudence. She has advised Government ministers, public representatives, civil and public servants and many NGOs, nationally and internationally, on the drafting of legislation and the development of public policy in relation to her areas of interest. In November 2017, Tanya was appointed to the Gender Recognition Act Review Group by Minister Regina Doherty.