Background
Hanna, William Gregory was born on July 23, 1955 in Newcastle, Australia. Son of William David Gregory and Elva (Moore) Hanna.
Hanna, William Gregory was born on July 23, 1955 in Newcastle, Australia. Son of William David Gregory and Elva (Moore) Hanna.
Diploma in occupational health safety, The University Newcastle, Australia, 1993. Master of Occupational Health Safety, The University Newcastle, Australia, 1996.
Senior shift chemist, Commonwealth Steel Company, Newcastle, Australia, 1979-1980; environmental chemist, Commonwealth Steel Company, Newcastle, Australia, 1980-1983; senior shift chemist, Commonwealth Steel Company, Newcastle, Australia, 1983-1984; emission technical, Tomago Aluminum Company, Newcastle, Australia, 1984-1987; occupational hygiene technical, Tomago Aluminum Company, Newcastle, Australia, 1987-1996; occupational hygienist, Tomago Aluminum Company, Newcastle, Australia, since 1996.
Board environmental studies University Newcastle, since 1983. Member Australian Institute Occupational Hygienists, American Industrial Hygiene Association, British Occupational Hygiene Society, Standards Association Australia (member committee since 1996), Australian Aluminum Association (occupational hygiene panel since 1996).
Married Margaret Ann Weaver, September 30, 1978. Children: Michelle Margaret Anna, Sarah Jane Annual.