Born in Saâcy Sur Marne (France) in 1955, Joseph Buis began painting at the age of fifteen following the advice of local artists, and considers himself to be self-taught. In parallel with painting, he worked as a Specialized Educator and Art Therapist with people in difficulty, up to retirement age. In 2014, after having stopped painting for 15 years, he resumed his work as a painter making a clean sweep of his past research, and painting monochrome gray canvases with vertical and horizontal lines. The paintings of P. Mondrian, K. Malevich, and F. Morellet were for him sources of questioning and reflection. Since then he has introduced diagonals and colors to broaden his work.