Douglas is a tipstaff (judicial clerk) at the Supreme Court of New South Wales. He previously worked as a solicitor and migration agent with Craddock Murray Neumann Lawyers, Sydney, where he predominantly practiced in refugee law. His research interests include comparative constitutional law; refugee status determination; judicial biography; socio-legal studies; and modern Indian history. His work has been published in the Indian Historical Review, the Alternative Law Journal, the National Law School of India Review and the Socio-Legal Review.

Douglas holds a Bachelor of Arts and Bachelor of Laws from the University of Technology, Sydney.