Senior lecturer school botany to professor University Melbourne, 1979-1985, professor, since 1985, laureate professor, since 1999. Lieutenant governor State of Victoria, since 1997. Director Plant Cell Biology Research Center, Melbourne, since 1982, Alcoa of Australia Ltd., 1993-1996, Woolworths Ltd., Australia, since 1994, Western Mining Corporation Ltd., Australia, since 1996.
Member Prime Min.'s Supermarket to Asia Council, Canberra, since 1996. Member Prime Min.'s Science Council, Canberra, 1990-1996. Head school botany University Melbourne, 1991-1993.
Chairman Commonwealth Scientific and Industrial Research Organisation, Canberra, Australia, 1992-1996.
Member advisory council Aid Policy, Canberra, 1992-1996. Fellow Australian Academy of Sciences, Austalian Academy Technological Science Engineering, Janet Clarke Hall. Member National Academy of Sciences, Order Australia, International Society Plant Molecular Biology (president since 1996), Australian Mutual Provident Society (director since 1994), Victorian Business Round Table.