Bachelor in German Language and Literature (honorary), Australian National University, Canberra, 1970. Doctor of Philosophy, Australian National University, Canberra, 1976.
Research linguist Northern Territory Education Department, Maningrida, 1975—1982. Lecturer linguistics School Australian Linguistics, Darwin Institute of Technology, Batchelor, 1982-1985. Lecturer, senior lecturer linguistics Edith Cowan University, Perth, Australia, 1986-2000, associate professor linguistics, since 2001, head School International, Cultural and Community Studies, since 2000.
Visiting scientist Massachusetts Institute of Technology, Cambridge, Massachusetts, 1978.
Justice of the Peace, Northern Territory, Australia, 1982-1985. Member Applied Linguistics Association Australia (vice president 1998-2000), Australian Institute Aboriginal and Torres Strait Islander Studies, Australian Linguistic Society.