Darren began his legal career with Scammell & Co. in 1987 before working as a solicitor with the London Borough of Greenwich, UK briefing Counsel and appearing in the Royal Courts of Justice and as Counsel in the County Court, London. He has worked in various areas of law and in multiple jurisdictions, predominantly in the areas of personal injury and criminal law.

Darren earned a Bachelor of Laws from the University of Adelaide, a Graduate Diploma of Legal Practice from the South Australian Institute of Technology and is certified and registered to appear in the High Court of Australia.