Born in Amami, Kagoshima in 1960. After receiving M. Arch. at Shibaura Institute of Technology in 1986, worked at Yutaka Saito Architect & Associates, PANOM, and Shunji Kondo Architects. Established Yamashita Kai Architectural Office in 1991, and renamed it to Atelier Tekuto in 1995. Lecturing at Kyushu University since 2011 to present.