Career
He was a director of the Melbourne Football Club from 2000 to 2003. Hayes was admitted to the bar on 1 March 1973 and was appointed Queen"s Counsel in 1988. He was a specialist in banking, finance and corporations law.
Allegations of drug use
In 2005 Hayes was subject to a professional complaint made by solicitor Isaac Brott to the Ethics Committee of the Victorian Bar.
The solicitor, who worked with Hayes, asked that Mr Hayes be tested for drug use accused him of being an "inveterate cocaine user". The complaint was dismissed as vexatious and lacking in credibility.
Hayes died in the Royal Adelaide Hospital on 21 May 2007, 11 days after being found naked and unconscious in an Adelaide hotel room. He was discovered by Tony Sobey, whom Hayes was representing, as a victim of the Mercorella Ponzi Scheme in relation to claims against the liquidators.
Two women visited Hayes in his hotel room on the night of his death, and were tracked down via hotel security footage.
One was a 21-year-old woman with a history of prostitution charges, and the other - a 28-year-old woman - was subsequently charged with administering a drug of dependence to Hayes. Hayes"s death is currently under coronial investigation, but it has been alleged that toxicology revealed he had ingested cocaine and heroin immediately before his death, and lethal drug overdose was the cause of death. After Hayes" death, Victorian Bar Council chairman Michael Shand Queen's Counsel declined to comment on the original complaint of cocaine use, stating "the Bar Council is vigilant at maintaining the highest standards of practice at the bar" and would investigate the issues surrounding Mr Hayes" death.
When asked about drug use in the legal profession Australian Government Solicitor-General David Bennett Queen's Counsel replied:
"..barristers as a group would use illegal drugs less than the general community because they are likely to be concerned about breaking the law.."
Hayes was reported to suffer from bipolar disorder.