Haydon graduated with a Bachelor of Laws from Edith Cowan University and a Graduate Diploma of Legal Practice from Leo Cussen Centre for Law.


He received executive dean’s commendations for excellence in criminal law, corporations law and intellectual property law and was awarded the Leo Cussen Centre for Law award for excellence in community legal practice.

Prior to his admission as a lawyer, Haydon served over a decade as an investigator across several state government agencies and commissions. He has worked in the areas of financial crime, consumer protection, licensing and integrity, amongst others.

He is admitted as a barrister and solicitor of the Supreme Court of Western Australia, the High Court of Australia and the High Court of New Zealand and is entitled to practice in all jurisdictions.

Haydon practices primarily in crime and commercial litigation and has appeared as counsel in criminal, civil and disciplinary matters in most courts and tribunals in Western Australia.

Haydon regularly appears on 6PR radio to commentate on various legal issues.