Prof Dr Tim Stephens is Professor of International Law at the University of Sydney Law School and President of the Australian and New Zealand Society of International Law. He has published widely on issues of public international law, national and international environmental law and the law of the sea. His major works on earth system governance include International Courts and Environmental Protection (CUP, 2009), which examines the role of dispute settlement institutions in global environmental governance, and The International Law of the Sea (Hart, 2^nd edn, 2016) with Donald R Rothwell, which assesses systems of global and regional oceans governance. In 2010 Tim was awarded the International Union for the Conservation of Nature Academy of Environmental Law Junior Scholarship Prize for his contribution to international environmental law research. Tim holds a PhD in law from the University of Sydney, and an M.Phil in geography from the University of Cambridge.