(14 October 2014-13 October 2020)
Mr Walker is a barrister at Fifth Floor St James' Hall. He was admitted to the NSW Bar in 1979 and was appointed Senior Counsel in 1993 and Queen's Counsel in WA in 1994. Mr Walker has held several senior positions including President of the NSW Bar Association (2001-2003), President of the Law Council of Australia (1997-98), and Governor of the Law Foundation of NSW (1996-2007).
He was Australia's first Independent National Security Legislation Monitor from 2011 to 2014. Mr Walker prepared the 1993 NSW Barristers' Rules which provided the basis for the uniform rules relating to advocacy. He is also a member of the National Criminal Law Committee of the Law Council of Australia.