Robyn Gulliver is a social scientist and research fellow at the ANU Crawford School of Public Policy and University of Queensland School of Communication and Arts. Robyn researches the antecedents and consequences of environmental and pro-democracy collective action and the social psychology of effective activism. She uses an interdisciplinary approach to examine how environmental and pro-democracy groups communicate with bystanders, supporters and third parties; how they mobilize supporters; how they build and sustain networks; and what their campaigns achieve. She has developed Australia’s largest database of environmental groups and campaigns alongside the ‘Campaign Explorer’ citizen science project, which won the 2020 Australian Council of Humanities, Arts and Social Sciences Distinctive Prize.