- Name: Tadao Kageyama / KAGE
- Position: Director, Substream→Resort Anthem
KAGE has been with IIDX since the very beginning, acting as project lead and general director for almost every IIDX arcade release to date, from as early as beatmania IIDX 2nd style. His direction has helped bring IIDX to where it is today. KAGE also served as a programmer on the early IIDX titles. KAGE also lent himself to appear in a few early IIDX videos, such as Schlagwerk.