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Professor of Law, University of Wollongong

Greg’s expertise is in international law with research interests in its applications to counter-terrorism and to environmental protection. He teaches across these areas and Administrative Law.

His research in the area of environmental protection addresses mechanisms for the effective implementation of international environmental standards. In relation to counterterrorism, Greg is currently researching the laws of armed conflict in their application to non-State actors engaged in political violence at the level of hostilities.

Greg is an Associate Editor of the Yearbook of International Environmental Law and is a member of the Editorial Board (previously Editor-in-Chief) of the Review of European Community and International Environmental Law (RECIEL).


  • 1989–2010
    Assoc. Prof., University of Wollongong
  • 1984–1998
    Legal Officer, Department of Foreign Affairs and Trade
  • 1990–1993
    Lecturer, University of London


  • 1989 
    Monash Uinversity, LL.M.
  • 1984 
    Monash Uinversity, LL.B.
  • 1982 
    Monash Uinversity, B.A.

Research Areas

  • Environmental And Natural Resources Law (180111)
  • International Law (Excl. International Trade Law) (180116)