Recruited by Southampton in 2005 to teach the international law of the sea in the LLM and public international law in the LLB.
Formerly served in a number of diplomatic positions in the Australian Government Department of Foreign Affairs and Trade (including postings in Tokyo and Warsaw), before specialising in the Law of the Sea in the Department's Sea Law, Environmental Law and Antarctic Policy Section.
Legal adviser to Australian delegations to the Commission for the Conservation of Southern Bluefin Tuna, the Indian Ocean Tuna Commission and other international meetings; appeared for Australia in 2000 in the Southern Bluefin Tuna case.
Worked also on Australia's November 2004 submission under the UN Convention on the Law of the Sea (UNCLOS) to the Commission on the Limits of the Continental Shelf (CLCS) on the outer limits of Australia's shelf where it extends beyond 200 miles from the territorial sea baseline, as well as on the Australia-New Zealand maritime boundary delimitation treaty of 25 July 2004 and the 2003 Australia-East Timor Agreement on the Unitisation of the Sunrise and Troubadour Petroleum Deposit.
Member of the Editorial Board, Ocean Development and International Law; Review Editor for the ICES [International Council for the Exploration of the Sea] Journal of Marine Science. Consultant to the Government of Canada on its submission to the CLCS and to the Food and Agriculture Organization of the UN on rights-based management of deep-sea fisheries in areas beyond national jurisdiction.