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About

Ryusei Danbara is a researcher whose work centers on human-computer interaction, embodied conversational agents, and speech-driven animation systems. Best known for developing **InterActor** — a speech-driven embodied interactive actor capable of functioning as both speaker and listener — Danbara has made significant contributions to the field of expressive, lifelike virtual agents designed to enhance human communication and interaction. InterActor generates coherent expressive actions and motions in response to speech input, effectively serving as an electronic media counterpart to physical human interaction, a concept that was notably forward-thinking for its time. Danbara's flagship 2004 publication on InterActor has accumulated 114 citations, reflecting the sustained relevance and influence of the system within the research community. His work explores not only the technical architecture of such agents but also their behavioral effects on users — including how interacting with InterActor measurably influences a talker's own speech characteristics, demonstrating real-world communicative impact. With publications spanning from 2003 through 2019, Danbara's continued engagement with this research area underscores a long-term commitment to advancing embodied agent technology as a meaningful tool for human interaction support and communication enrichment.