Professor Thomas Edwin "Tom" Calma, AO (born 27 December 1953) in Darwin, Northern Territory an Australian Aboriginal elder of the Kungarakan people and member of the Iwaidja tribal group whose traditional lands are south west of Darwin and on the Cobourg Peninsula in the Northern Territory respectively, a human rights and social justice campaigner, is the sixth Chancellor of the University of Canberra, a post held since January 2014.