Professor and Associate Dean for Research J. Stephen Downie will be the keynote speaker for the 2023 ACM SIGIR Conference on Human Information Interaction and Retrieval (CHIIR 2023), which will be held on March 19-23 in Austin, Texas. In addition to information interaction and retrieval, the multidisciplinary conference explores topics such as human-human information interaction, novel interaction paradigms, new evaluation methods, and related research from various fields.