William (Bill) Walsh completed his law degree by distance education at Macquarie University as a mature aged student prior to being called to the Bar in 1983.

From 1967 to 1986, he was a serving member of the NSW Police Force performing a variety of police duties in the metropolitan and country areas of the State.

From 1987 to 1994, Bill was a Lecturer-in-Law at Mitchell College/Charles Sturt University.

For those seven years, he taught internal and distance education students.

Bill has practised as a barrister since 1987 in various areas of the law and in the past 15 years has specialised in criminal defence work.   He has acted as defence counsel in 400 jury trials before the District and Supreme Courts of New South Wales.

He holds postgraduate qualifications of Master of Laws (University of Sydney) and Master of Social Science (Criminology) (Charles Sturt University).

In 2016, Bill was appointed Barrister-in-Residence at the Centre for Law and Justice, Charles Sturt with the title of Adjunct Associate Professor.