Michele Williams QC is the Chair of the Post Sentence Authority. 

Ms Williams has over thirty years’ experience as a barrister and was appointed as one of Victoria's first female Crown prosecutors in 2002, and was appointed as Queen's Counsel in 2005. 

Ms Williams was responsible for prosecuting some of the state’s most serious sexual and violent offenders, and in 2006 she became the First Head of the Specialist Sex Offence Unit in the Office of Public Prosecutions. She retired as one of the most experienced Senior Crown Prosecutors in November 2016.

Peter Rose QC, a community member of the Post Sentence Authority, is the Acting Deputy Chair.