Judge David Sexton was appointed a Judge of the County Court of Victoria in 2018. His Honour is the Head of the Drug and Alcohol Treatment Court, and has a strong interest in therapeutic justice. Prior to his appointment as a judge, his Honour was a Barrister in criminal law, specialising in sexual offences.

His Honour has extensive involvement in advocacy teaching and has been a senior Instructor with the Victorian Bar and the Australian Advocacy Institute. He has undertaken advocacy training for lawyers interstate, in the Pacific, and at the International Criminal Court in the Hague and also lectured in this area at Monash University.