Hirotaka Izumi (和泉宏隆, Izumi Hirotaka; September 28, 1958 – April 26, 2021) was a Japanese keyboardist, pianist, and composer who was a former member of the jazz fusion band T-Square. Besides T-Square, he was also active in the bands Pyramid (ピラミッド) and Voyage (ヴォヤージュ).
Source: “Hirotaka Izumi”, English Wikipedia (CC BY-SA 4.0), excerpt