She is the Co-director of The Judiciary Project at the Gilbert + Tobin Centre of Public Law. Gabrielle researches in public and constitutional law, and is particularly interested in the role and powers of the Executive, government legal officers, the judicial branch of government and federalism. She has published a number of books, including Government Accountability (Cambridge University Press, 2015), Australian Public Law (now in its second edition, Oxford University Press, 2014), and The Future of Australian Federalism: Comparative and Interdisciplinary Perspectives (Cambridge University Press, 2012), and Public Sentinels: A Comparative Study of Australian Solicitors-General (Ashgate Publishing, 2014).