Mae’r Athro Williams yn Athro Anrhydeddus yn Ysgol Hanes, Athroniaeth a Gwyddorau Cymdeithasol Prifysgol Bangor ac yn gyn-Ddeon Cyswllt ac Athro mewn Gwaith Cymdeithasol ym Mhrifysgol RMIT Melbourne, Awstralia. Mae’n Gymrawd Anrhydeddus ym Mhrifysgol Glyndŵr a Phrifysgol De Cymru.
Professor Williams is Honorary Professor in the School of History, Philosophy and Social Sciences at Bangor University and former Associate Dean and Professor of Social work at RMIT University in Melbourne, Australia. She holds Honorary Fellow appointments at Glyndwr University and the University of South Wales.