- Paul Martin is a Professor of Law and the Director of the Australian Centre for Agriculture and Law at the University of New England, Australia. He was the leader of the Invasive Animals CRC program 4E: Facilitating Effective Community Action on Invasive Species. - Theodore (Ted) Alter is Professor of Agricultural, Environmental and Regional Economics and Co- Director of the Center for Economic and Community Development at Pennsylvania State University. He was the research team leader of the Invasive Animals CRC program 4E1: Facilitating Effective Community Action. - Don Hine is a Professor of Psychology at the University of New England, Australia. His work focuses on understanding human dimensions of environmental problems. He was the research team leader of the Invasive Animals CRC program 4E2: Triggers for Effective Action. - Tanya Howard is a Lecturer in Natural Resource Policy and Community Engagement at the University of New England, Australia. She was Post-doctoral Research Fellow for the Invasive Animals CRC program 4E1: Facilitating Effective Community Action.