She is an internationally recognised expert in human rights law generally and children's rights and LGBTIQ rights in particular. She is the author of numerous books, book chapters and articles in peer review journals. Katie O'Byrne is a barrister at Doughty Street Chambers, London, one of the largest and most wide-ranging civil liberties practices in the world. She previously practised as a solicitor before undertaking an associateship at the High Court of Australia and completing a Master of Law at the University of Cambridge. She has published articles in the areas of women's rights and gender, children's rights, refugee law and international humanitarian law.