Born in Osaka, Japan in 1979, Yasuaki Onishi currently lives and works in Hyogo. After earning a B.A. in Sculpture at the School of Art & Design, University of Tsukuba in 2001, he completed the M.A. program in Sculpture at the Graduate School of Art, Kyoto City University of Arts in 2004. He received the Pollock-Krasner Foundation Grant in 2025. Through his experience with making molds, became interested in relationships between positive forms and negative space and in grasping not only objects themselves but also their surroundings. His works have consistently dealt with the themes of margins, volumes, and boundaries.