Mission of Conference: The conference will provide a high-quality program of speakers in Riordan arrays with opportunities for collaboration between junior and senior researchers, as well as between international participants. The previous meetings of this annual conference have played a pivotal role in fostering and advancing research in Riordan arrays. They have brought together experts from the various streams of research into Riordan arrays to share their approaches to and perspectives on the subject. Several productive collaborations generating many of the main results of the past few years have arisen from discussions at the conference. In addition, newcomers to the topic, including undergraduate students, graduate students, and more established researchers from other areas, gain a broad perspective on the subject from the diversity of research presented at the conference. Conference Rates (USD): Early registration ends on May 20. Early Registration: Standard Participant - $150 Early Registration: Student Participant - $75 Registration (after May 20): Standard Participant - $200 Registration (after May 20): Student Participant - $120