Masahiro Shiomi is a senior research scientist and a group leader of the Agent Interaction Design Laboratory at the Interaction Science Laboratories at ATR, Kyoto, Japan. He is also a visiting professor at Kobe University. He earned an MEng and a PhD in engineering from Osaka University in 2004 and 2007, respectively. He served as a program chair on Ro‑MAN2020, HAI2021, and HRI2022 and as an associate editor for the ACM Transactions on Human–Robot Interaction. Hidenobu Sumioka is a group leader of Presence Media Research Group in Hiroshi Ishiguro Laboratories, ATR, Kyoto, Japan. He is also a visiting associate professor at Kobe University. He earned a PhD in engineering from Osaka University in 2008.