Hennie Strydom is a professor of international law and the incumbent of the South African Research Chair in International Law at the University of Johannesburg. He obtained the BIuris, LLB and LLM degrees from the University of the Free State and his LLD from Unisa. His research interests include general international law, international human rights law, international humanitarian law, international criminal law and international environmental law and he has published widely in these areas. He is the editor and main author of International Law, a prescribed textbook published by Oxford University Press, and co-editor and co-author of Environmental Management in South Africa, published by Juta & Co. From 2009 to 2020 he was the president of the South African branch of the International Law Association and he serves on the editorial boards of the South African Yearbook of International Law, the African Yearbook of International Humanitarian Law and the Law Journal of the Faculty of Law, Palacky University, Czech Republic. He is an Alexander von Humboldt scholar and has undertaken various research stays at the Max Planck Institute for Public International Law, Heidelberg, Germany.