Born in Saitama, Japan in 1942. After graduated with M.F.A. in Painting from Tama Art University in 1968, he started his career as a main artist of “Mono-ha” movement, which swept the art world from the 1960s to the 1970s.

In the same year, Sekine presented “Phase—Mother Earth” in Kobe, which marks the beginning of “Mono-ha” movement and it is evaluated as a monumental piece of postwar Japanese art. A series of painting “Phase of Nothingness” was chosen for the Venice Biennale in 1970 and a numbers of solo exhibitions were held subsequently in Europe.

Sekine established Environmental Art Studios, a public art agency in 1973 to produce landscapes and monuments for public spaces, and phase paintings. Solo exhibitions were held i...