The document summarizes the International Association for the Study of the Commons (IASC), which is a leading professional organization dedicated to studying commons. The IASC brings together researchers, practitioners, and policymakers to improve understanding of commons, integrate scientific and practitioner knowledge on commons, and contribute to sustainable resource policy. Members have access to resources like the Digital Library of the Commons and an open access journal. The IASC addresses commons issues through global conferences and regional/thematic conferences. It invites readers to join and help expand commons research through individual or organizational membership.